Aging human body experiences ‘really dramatic changes’ at 2 ages: study

2 min read

Written by Corrie Pelc

A close-up of an older adult in workout clothes rubbing their hands together as a cloud of chalk forms around

The human body experiences major changes at two specific times, research shows. RZCREATIVE/Stocksy

  • As we age, the body undergoes a number of changes, both externally that you can see and internally that you cannot see.
  • Researchers at the Stanford University School of Medicine have discovered that humans undergo two major changes in their molecules and microorganisms around ages 44 and 60.
  • Scientists found these age-related molecular changes are associated with certain health risks, including cardiovascular disease.

Everyone knows that as we ageTrusted Source, our bodies go through a lot of changes. While changes will occur every year, past research shows that, at the protein level, the most notable changes take place around ages 34, 60, and 78Trusted Source.

Although some of these aging body changes you can see — such as graying hair and skin wrinkles — many of these alterations are not visible as they happen inside the bodyTrusted Source to organs, tissues, and even on a cellular level.

A new study recently published in the journal Nature AgingTrusted Source adds to what we know about how aging affects the inside of the body. Scientists from the Stanford University School of Medicine have discovered that humans undergo two major changes in their molecules and microorganisms around ages 44 and 60.

Researchers say these changes can potentially have a major impact on a person’s health, including cardiovascular health.

Tracking age-related changes in 135,000+ molecules

For this study, researchers analyzed data from 108 people living in California between the ages of 25 and 75. Study participants were tracked for an average of 1.7 years with a maximum of about 7 years.

Throughout the study, participants donated blood and other biological samples every few months, which allowed scientists to track changes in their bodies’ molecules and microbiomes.

The research team tracked age-related changes in more than 135,000 different molecules and microbes for almost 250 million distinct data points.

“We are tracking people in incredible detail — measuring as many molecules as possible (tens of thousands) and their microbes to get a detailed picture of their health,” Michael P. Snyder, PhD, professor of genetics at Stanford University School of Medicine and senior author of this study explained to Medical News Today. “In the process, we can also see how they age.”

Biggest molecule changes in mid-40s, early 60s

As Snyder and his team looked at the data more closely, they noticed that about 81% of the molecules and microbes they identified change more at certain ages than at other times of a person’s life span. The two ages with the largest molecule and microbe changes, scientists found, occur when a person is in their mid-40s and early 60s.

“We expected the changes in the 60s because this is when disease risk increases for nearly all diseases and people’s immune sTrusted Sourceystem decreases (and) we found additional changes,” Snyder said. “The changes in the 40s were unexpected although in hindsight it is a time when people hit their ‘mid-life crisis’ and often injured themselves.”

“We think people are undergoing biological changes throughout their lives but (there are) two periods where lots of changes occur. The reason is not clear, but it might be because their lifestyle is not ideal — exercise and nutrition — or their cells are undergoing senescence in their 60s.”
— Michael P. Snyder, PhD

The biochemical changes that come with aging

Additionally, the scientists found that the most noteworthy age-related molecule and microbe changes were linked to potential health concerns.

For example, with people in their 40s, Snyder and his team discovered significant changes in the number of molecules related to alcohol, caffeine, and lipid metabolism, as well as cardiovascular disease and skin and muscle.

At the age of 60, the biggest molecule changes were related to cardiovascular disease, immune regulation, kidney function, carbohydrate and caffeine metabolism, and skin and muscle.

Snyder said it is important for researchers to continue to examine what happens to the body during biological aging because we can then take action to reduce many of the problems associated with aging.

“The goal is to have people live long healthy lives. You (can) track these changes and take action with this information. For example, get on statins as you hit your 40s or just before, (and) make sure you exercise through life. In your 60s, drink plenty of water for keeping healthy kidneys, eat immune boosters, and antioxidants,” he said.

“Be aware of your health changes so that you can take action and live a long and healthy life,” Snyder added.

Understanding the biological mechanisms behind aging

After reviewing this study, Cheng-Han Chen, MD, a board certified interventional cardiologist and medical director of the Structural Heart Program at MemorialCare Saddleback Medical Center in Laguna Hills, CA, told MNT that this study establishes that changes in various classes of molecules involved in human health seem to happen at specific time periods in a person’s life, rather than gradually throughout someone’s life.

“This is an important finding that will help us better understand the biochemical changes that underlie aging, and potentially provide targets for therapy depending on someone’s stage in life,” Chen continued.

“It is unclear why there are such large changes specifically around the ages of 40 and 60. Further research will be necessary to identify the mechanisms and potential biological rationale for the changes around those time periods.”
— Cheng-Han Chen, MD

“Science is only beginning to understand the biological mechanisms involved in aging. Studies like this help us to identify the basis of normal aging and, in turn, provide insight into how deviations in normal biology led to diseases such as cardiovascular disease. Ultimately, this will help us understand how to keep our patients healthy and aging well. It may also help us to develop new therapies for diseases that result from abnormal aging,” he added.

Many factors involved in age-related molecular changes

MNT also spoke with Manisha Parulekar, MD, FACP, AGSF, CMD, director of the Division of Geriatrics at Hackensack University Medical Center, co-director of the Center for Memory Loss and Brain Health at Hackensack University Medical Center, and associate professor at Hackensack Meridian School of Medicine in New Jersey, about this study.

“We are all trying to understand the aging process and chronic conditions. Some of the diseases like diabetes and Alzheimer’s are also suggesting that we have to start preventive interventions early on. It is interesting to see that this study is showing findings at these two age groups, around age 40 and 60. This may help us have a better conversation with our patients regarding various lifestyle modifications early on.”
— Manisha Parulekar, MD, FACP, AGSF, CMD

Parulekar said an abundance of most molecules and microbes in our bodies undergo periods of rapid change throughout our life span due to a complex interplay of factors, including development and growth, environmental factors, lifestyle factors, physiological changes, genetic factors, and disease and illness.

“It’s important to note that these factors often interact and influence each other. For example, diet can impact the gut microbiome, which in turn can influence the production of hormones and immune cells. Understanding the dynamic fluctuations of molecules and microbes across our life span is crucial for maintaining health and preventing disease. We can use these data points to help our patients understand the importance of certain interventions. It is always helpful to have data to support these conversations,” she said.

In Conversation: Why exercise is key to living a long and healthy life

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Written by Maria Cohut, Ph.D. on November 21, 2023 — Fact checked by Jill Seladi-Schulman, Ph.D.

What should we do in order to live healthier lives for longer? Research shows there are a few lifestyle interventions that can effectively prolong our life and health span. One of these is exercise, but what kind, and in what combinations, and why does it help add years to our lives? Find out in our latest podcast episode.

Seemingly since times immemorial, humankind has been, metaphorically speaking, seeking the path that leads to the “Fountain of Youth” — that is ways to ensure a longer, healthier life.

And while we may not yet benefit of any “miracle” medicines or technologies to prolong our life spans well over the hundred-year mark, many recent studies have provided strong evidence in support of the notion that simple, achievable lifestyle changes can help us stay healthy for longer and decrease our risk of premature death.

Research presented at the American Heart Association’s Scientific Sessions 2023Trusted Source, for example, suggested that eight healthy habits can slow down biological aging by as much as 6 years.

These habits are related to diet, maintaining a healthy weight, avoiding tobacco, maintaining good sleep hygiene, managing cholesterol, blood sugar, and blood pressure, and, no less importantly, staying physically active.

In the latest instalment of our In Conversation podcast, Medical News Today explores the link between exercise and living a long and healthy life, in dialogue with Dr. Borja del Pozo Cruz and Dr. Edwina (Eddie) Brocklesby.

Dr. del Pozo Cruz is principal researcher in Applied Health Sciences at the University of Cadiz in Spain, and adjunct associate professor in the Department of Sports Science and Clinical Biomechanics at the University of Southern Denmark.

In collaboration with other researchers, Dr. del Pozo Cruz has conducted various studies exploring the link between different forms of exercise and the risk of death from different causes.

Dr. Brocklesby has gained fame under the nickname “Iron Gran,” as at the age of 72, she was the oldest British woman to complete an Ironman Triathlon. She is also founder and CEO of Silverfit, a not-for-profit organization promoting lifelong fitness.

What types of exercise lower death risk?

In a study published in JAMA Internal MedicineTrusted Source in August 2023, Dr. del Pozo Cruz and his colleagues analyzed data from 500,705 participants followed up for a median period of 10 years to see how different forms of exercise related to a person’s mortality risk.

The study looked at the effect of moderate aerobic physical activity, such as walking or gentle cycling, vigorous aerobic physical activity, such as running, and muscle-strengthening activity, like weight lifting.

Its findings indicated that a balanced combination of all of these forms of exercise worked best for reducing mortality risk.

More specifically, around 75 minutes of moderate aerobic exercise, plus more than 150 minutes of vigorous exercise, alongside at least a couple of strength training sessions per week were associated with a lower risk of all-cause mortality.

When it came to reducing the risk of death linked to cardiovascular disease specifically, Dr. del Pozo Cruz and his collaborators suggested combining a minimum of 150–225 minutes of moderate physical activity with around 75 minutes of vigorous exercise, and two or more strength training sessions per week.

Dr. Brocklesby, who goes by “Eddie,” is herself an example of the importance of combining different forms of exercise. Indeed, training and participating in a triathlon — which is an endurance multisport race where participants compete in swimming, cycling, and running — involves achieving a balanced “diet” of moderate and vigorous exercise, as well as strength training.

How little exercise is enough?

But what about people who are not nearly as athletic? What is the minimum “amount” of exercise that could help fend off some of the conditions that pose the highest threat to health?

Dr. del Pozo Cruz and his team may also have found an answer to this question. In December 2022, they published the findings to a previous study in the European Heart Journal.

This research suggested that engaging in vigorous exercise for only 2 minutes a day could help slash the risk of death related to cancer or cardiovascular events.

The researchers found that study participants who never engaged in vigorous exercise had a 4% risk of dying within 5 years, but introducing less than 10 minutes of vigorous activity weekly halved this risk. Moreover, their risk of death halved again for those who engaged in at least 60 minutes of exercise per week.

Is any physical activity good?

In our podcast, Dr. del Pozo Cruz emphasized that almost any amount of any form of exercise is better than none, a point reinforced by a new study arguing that any activity at all is better for heart health than a sedentary lifestyle.

However, he also cautioned that physical activity related to chores or to one’s job, as opposed to exercise in a leisure context, may sometimes do more harm than good.

Once again, his idea is supported by recently published research, which found a link between physically demanding occupations and a higher risk of cognitive impairment.

Some of the most common occupations linked to intensive physical activity cited in this research were in nursing and care, retail, and farming, where individuals are on their feet a lot, and often having to deal with stressful situations.

So while all forms of exercise can be good for health, strenuous or intensive physical activity in a work environment could end up compounding the risk of various health conditions.

And even exercise for leisure can affect aspects of physical health — such as joint integrity — particularly later in life. In our podcast, both Dr. del Pozo Cruz and Eddie emphasized the importance of consulting a trusted healthcare provider, who can advise on the best forms of exercise to engage in on an individual basis.

In Conversation: Can we really ‘outrun the Grim Reaper’?

Written by Yasemin Nicola Sakay on July 1, 2024 — 

Does putting the human body under a lot of stress, such as in professional sprinting or long-distance running, impact life span? Is there such a thing as too much exercise or too intense? This podcast episode aims to find the answer to the question, “Can extreme exercise prolong our longevity?” and more.

Share on PinterestRecent research indicates that extreme exercise may help prolong life span in some people. | Illustration by Andrew Nguyen for Medical News Today

Everything in moderation, or “pan metron ariston,” as the ancient Greek saying goes. And when it comes to matters of health, a similar philosophy is often touted as the best strategy — whether this be nutrition or exercise.

More and more research shows that staying active is the key to a longer, healthier lifeTrusted Source. But what about intense physical activity? Could professional athletic performance do more harm than good? Or can this intense training actually contribute to an increased life span?

In this episode of In Conversation, we turn the focus to all things extreme exercise and longevity. Based on the findings of a recent study, which found that a select group of elite runners could live around five years longer on average than the general population, Medical News Today editors Maria Cohut and Yasemin Nicola Sakay discuss the probable biological mechanisms behind how more extreme forms of exercise, such as 4-minute mile running, affect longevity with an expert in cardiology.

Joining the conversation is Michael Papadakis, MD, MRCP (UK), president of the European Association of Preventive Cardiology (EAPC), professor of cardiology at St George’s, University of London, honorary consultant cardiologist at St George’s University Hospitals National Health Service Foundation Trust, and consultant cardiologist at Cleveland Clinic London in the United Kingdom.

Papadakis shares easy-to-follow advice on how to incorporate more physical activity into our daily lives while discussing the potential health risks and benefits of running and similar forms of professional athletic performance.

Medical myths: All about aging

In the latest installment of our Medical Myths series, we tackle myths associated with aging. Because aging is inevitable and, for some people, frightening, it is no surprise that myths abound.

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Written by Tim Newman on September 7, 2020 — Fact checked by Anna Guildford, Ph.D.

In our Medical Myths series, we approach medical misinformation head on. Using expert insight and peer reviewed research to wrestle fact from fiction, MNT brings clarity to the myth riddled world of health journalism.

Around 300,000 generations ago, the human species split from an ancient ancestor that we share with chimpanzees. Since then, human life expectancy at birth has doubled.

Over the last 200 years, life expectancy at birth has doubled again. As animals go, humans perform well in longevity.

According to the World Health Organization (WHO), “Between 2000 and 2050, the proportion of the world’s population over 60 years will double from about 11% to 22%Trusted Source.”

With these facts in mind, dispelling the many myths associated with aging seems more pressing than at any point in our evolutionary history. In this article, we will tackle myths associated with exercise, cognitive ability, sex, and more.

1. Physical deterioration is inevitable

This is not entirely untrue. As we age, our body does experience wear and tear from decades of use. However, physical deterioration does not have to be complete, and people can often slow it down.

As the WHO explain, “Increased physical activity and improving diet can effectively tackle many of the problems frequently associated with old age.” These problems include reduced strength, increased body fat, high blood pressure, and reduced bone density.

Some research suggests that merely expecting physical deterioration increases the likelihood that someone will physically deteriorate.

In one studyTrusted Source, scientists surveyed 148 older adults about their aging, lifestyles, and general health expectations.

They concluded that expectations regarding aging “play an important role in the adoption of physically active lifestyles in older adults and may influence health outcomes, such as physical function.”

So, although some deterioration is likely, managing expectations will help individuals make better life choices to maintain physical health and fitness later in life.

An older study investigated how perceptions of aging influenced an individual’s likelihood of seeking medical attention. The authors of the study, which included data from 429 older adultsTrusted Source, concluded:

“[H]aving low expectations regarding aging was independently associated with not believing it important to seek health care.”

Another studyTrusted Source looked at individual attitudes to aging during late middle-age and how they might influence their overall lifespan. The authors concluded that “older individuals with more positive self-perceptions of aging, measured up to 23 years earlier, lived 7.5 years longer than those with less positive self-perceptions of aging.”

In short, keeping active, eating right, and maintaining a positive outlook can often slow the physical deterioration associated with older age.

2. Older adults should not exercise

From the previous section, it is clear that this is a myth. According to an older article in Neuropsychobiology, keeping active can boost muscle strength, reduce fat, and improve mental health.

Some people think that, once they reach a certain age, there is no point in exercising, as they believe that it will provide no benefit. This is another myth. In one studyTrusted Source, researchers put 142 adults aged 60–80 through a 42-week weight-lifting regime.

The scientists found that the course increased “dynamic muscle strength, muscle size, and functional capacity.”

There is also good evidence that regular exercise can reduce the risk of developing Alzheimer’s disease and other forms of dementia. A study, which involved 1,740 older adults, found that regular exercise was “associated with a delay in onset of dementia and Alzheimer’s disease.”

However, people should consult their doctor before embarking on a new exercise regime if they have a medical condition. For example, the National Health Service (NHS) in the United Kingdom indicate that people with certain conditions associated with age, such as osteoporosis, should avoid high impact exercise.

However, the vast majority of older adults can indulge in some form of physical activity.

3. Older adults need less (or more) sleep

Some people believe that older adults need more sleep than younger adults, perhaps because of the stereotype that older people enjoy a nap. Others say that older adults need less sleep, which might stem from the stereotype that older adults rise early in the morning.

These myths are relatively difficult to unpick because there are many factors involved. It is undoubtedly true that older adults have more difficulty getting to sleep and that their sleep tends to be more fragmentedTrusted Source.

This might help explain why some older adults need to nap in the day. As the human body changes with age, it can disrupt the circadian (daily) rhythms.

This, in turn, can impact sleep. The relationship is multifaceted, too: if a person’s circadian rhythms become disrupted, it can influence other aspects of their physiology, such as hormone levels, which might also impact their sleep.

Aside from circadian disruptions, certain diseases that occur more commonly in older adults, such as osteoarthritis and osteoporosis, can cause discomfort, which might adversely influence an individual’s ability to get to sleep or stay asleep.

Similarly, some conditions cause shortness of breath, including chronic obstructive pulmonary disease (COPD) and congestive heart failure; this can also make sleeping more challenging.

According to an older articleTrusted Source, certain medications, including beta-blockers, bronchodilators, corticosteroids, decongestants, and diuretics, can also interfere with sleep. Older adults are more likely to be taking these types of medication, sometimes together.

The Centers for Disease Control and Prevention(CDC)Trusted Source state that people aged 61–64 need 7–9 hours, and people aged 65 or older need 7–8 hours of sleep each night. It just might be more difficult for them to get that all-important shut-eye.

As a silver lining, some research suggests that older adults can handle sleep deprivation better than young adults. A study in the Journal of Sleep ResearchTrusted Source found that older adults scored better following a sleep deprivation intervention than younger adults in a range of measures, including negative affect, depression, confusion, tension, anger, fatigue, and irritability.

Medical Myths: Endometriosis facts vs. fiction

By Kimberly Drake

4. Only women get osteoporosis

Osteoporosis is a condition where bones gradually become weaker. Some people believe that it only affects women. This is not true; it can affect either sex and people of any age. However, osteoporosis is indeed much more common in older people, white people, and females.

According to an overview articleTrusted Source, the International Osteoporosis Foundation estimate that globally, around 1 in 3 women over 50 have osteoporosis, and about 1 in 5 men will experience a bone fracture related to osteoporosis in their lifetime.

Another related myth is that osteoporosis is inevitable for women as they age. As the figures above attest, two-thirds of women over 50 do not have osteoporosis. To minimize risks, the National Institute on AgingTrusted Source advise people to eat foods rich in calcium and vitamin D and exercise regularly.

5. As you age, your brain slows

The term cognitive decline refers to a gradual decrease in mental functioning with age, but before we tackle the facts of the matter, we dismiss a couple of associated myths:

Dementia is inevitable as you age

According to the WHO, the risk of developing dementia increases with age, but it does not affect all older adults. Worldwide, an estimated 5–8%Trusted Source of people over 60 have dementia. That means that 92%–95% of people aged 60 or older do not have dementia.

In the United States, an estimated 13.9%Trusted Source of people over 71 have dementia, meaning that 86.1% of people over 71 do not have dementia.

Cognitive decline leads to dementia

Contrary to popular opinion, cognitive decline does not necessarily signal the start of dementia.

People who go on to develop dementia tend to experience cognitive decline first. However, not everyone who experiences cognitive decline will develop dementia.

One older studyTrusted Source estimated that 22.2% of people in the U.S. aged 71 or older experience cognitive decline. Of these, each year, 11.7%–20% develop dementia.

Cognitive decline is inevitable

As the above statistics show, cognitive decline is not inevitable, regardless of the long-held myth that older adults experience a mental slowing down. And, importantly, there are ways to reduce the risk.

In 2015, the Alzheimer’s Association evaluated the evidence of modifiable risk factors for both dementia and cognitive decline. Their reportTrusted Source, presented to the World Dementia Council, explains that “there is sufficient evidence to support the link between several modifiable risk factors and a reduced risk for cognitive decline.”

They identified that maintaining regular physical activity and managing classic cardiovascular risk factors, such as diabetes, obesity, smoking, and high blood pressure were strongly associated with a reduced risk of cognitive decline.

They also found good evidence that a healthful diet and lifelong learning or cognitive training also reduce the risk of cognitive decline.

6. There’s no point giving up smoking now

Whether this is a genuine myth or merely an excuse, some older adults say that there is no point in giving up smoking at “their age.” This is not true. As the NHS clearly explain:

“No matter how long you have smoked for and no matter how many cigarettes you smoke a day, your health will start to improve as soon as you quit. Some health benefits are immediate, some are longer-term, but what matters is that it’s never too late.”

7. Sex is rare or impossible as you age

Some people believe that older adults lose their ability to enjoy sex and that their sexual organs become unfit for purpose. This, thankfully, is a myth.

It is true that the risk of erectile dysfunction (ED) and vaginal dryness increases as people age, but for most individuals, these are not insurmountable problems.

Sildenafil (Viagra) and lubricants or hormone creams can work wonders in many cases. Before taking Viagra, though, it is essential to speak with a doctor, as it is not suitable for everyone.

An article in the International Journal of Clinical PracticeTrusted Source indicates that around 0.4% of men aged 18–29 experience ED, compared with 11.5% of men aged 60–69. However, flipping that statistic on its head makes it much less daunting — almost 9 out of 10 men in their 60s do not have ED.

Intercourse between older people may be less fast and furious, but that is not necessarily a bad thing. As one author writes, “Growing old does not necessarily discontinue a healthy sexual life, but it does call for redefining its expression.”

There are certain benefits, too. For instance, a male’s penis often becomes less sensitive, helping them maintain an erection longer.

It is true that as some people grow older, they do not have the same sexual desire or drive as when they were young, but this is by no means the case for everyone.

To end this section on a high, below is a quote from a survey study that involved 158 older adults. Although the participants reported that they were having less sex than a decade earlier, the authors write:

“A remarkably robust sex life was evidenced by both the men and the women, even until advanced old age.”

The takehome

Overall, most of the myths surrounding age seem to center on inevitability. People believe that it is inevitable that they will gradually crumble into dust as their lives become increasingly unbearable, boring, passionless, and painful.

Although certain aspects of health might decline with age, none of the above is inevitable for everyone. As we have discovered, a positive psychological outlook on aging can benefit the physical aspects of aging.

Medical myths on heart disease.

Globally, heart disease is the number one cause of death. It is responsible for 17.9 millionTrusted Source deaths each year.

According to the Centers for Disease Control and Prevention (CDC), in the United States, one person dies every 36 secondsTrusted Source from cardiovascular disease. Heart disease accounts for 1 in 4 deaths in the U.S.

As February is American Heart MonthTrusted Source, today, we will tackle some persistent myths about heart disease.

1. Young people do not need to worry about heart disease

It is true that heart disease is more likelyTrusted Source to affect people over the age of 65, but 4–10% of heart attacks occur in people under the age of 45 years, mainly in men. In addition, it is how we live our lives as children, adolescents, and adults that lays the groundwork for heart health as we age.

For instance, eating a diet that is high in trans and saturated fats or smoking tobacco slowly increases the risk of heart disease as we age. Changes to lifestyle today build the foundation for a healthier heart in later life.

In the U.S. as a whole, heart disease mortality has slowly dropped since the 1970sTrusted Source, although the trend seems to be slowingTrusted Source. However, in some regions, rates have increased.

One study that investigated heart disease mortality in different age groups in the U.S. found that “over 50% of counties [experienced] increases in heart disease mortality from 2010 through 2015 among adults aged 35–64 years.”

2. People should avoid exercise if they have heart disease

This is a myth. Exercise helps strengthen the heart muscle and improve blood flow around the body.

In August 2020, the European Society of Cardiology published guidelines on exercise in patients with cardiovascular disease. Prof. Sanjay Sharma, who was involved in creating the guidelines, explains:

“The chance of exercise triggering a cardiac arrest or heart attack is extremely low.” However, he also adds a note of caution: “People who are completely inactive and those with advanced heart disease should consult their doctor before taking up sports.”

3. I take cholesterol-lowering drugs, so I can eat whatever I like

Some drugs, such as statins, reduce the level of cholesterol in the blood. However, this does not mean that a person who is taking statins can consume foods containing saturated fats with abandon.

Cholesterol is either consumed in the food that you eat or produced in the liver. Statins block an enzyme in the liver that is necessary for producing cholesterol, reducing overall blood cholesterol levels. However, this means that ingested cholesterol can still make it into the blood.

In short, statins may just be able to override the adverse effectsTrusted Source of a poor diet, but a poor diet will increase risk of other independent risk factors for heart disease, such as obesity, hypertension, and diabetes.

4. Heart disease runs in my family, so there is nothing I can do to stop it

If close family members have experienced heart disease, it could mean that you have an increased riskTrusted Source. However, it is not set in stone, and there are a number of ways to reduce the risk, even for people with a genetic susceptibility.

These includeTrusted Source eating a healthful diet, stopping smoking, managing blood pressure, and exercising regularly.

It is also worth noting that if heart disease runs in the family, it may not be a sign of genetic susceptibility. Families tend to share lifestyle factors, such as diet and exercise habits, both of which can impact the risk of heart disease.

5. Vitamins can prevent heart disease

Although most vitamins, taken at the recommended doses, are unlikely to be bad for heart health, there is no evidence that taking any vitamin supplements can reduce the risk of heart disease. And they certainly cannot replace a healthful diet and regular exercise.

For instance, a systematic review and meta-analysis looked for associations between multivitamin and mineral supplements and a number of cardiovascular outcomes, including coronary heart disease and stroke.

The analysis, published in 2018Trusted Source, took data from 18 existing studies, including 2,019,862 participants.

The authors concluded that multivitamin and mineral “supplementation does not improve cardiovascular outcomes in the general population.”

According to Victoria Taylor, the nutrition lead at the British Heart Foundation: “There are no shortcuts when it comes to nutrition — supplements are not a replacement for healthy food. You might be prescribed a vitamin or mineral supplement by a health professional for other reasons, but we do not recommend people take multivitamins to help prevent heart and circulatory diseases.”

6. I have smoked for years, there is no point stopping now

This is a myth. Smoking tobacco is a major causeTrusted Source of heart disease. As soon as a person stops smoking, the health benefits begin. The National Institute on AgingTrusted Source write:

“It doesn’t matter how old you are or how long you’ve been smoking, quitting smoking at any time improves your health. When you quit, you are likely to add years to your life, breathe more easily, have more energy, and save money.”

They also explain that you will lower the risk of heart attack and stroke and have better circulation.

7. Heart disease only really affects men

This is a myth, as heart disease is the leading cause of death in both men and women. In 2017 in the U.S., 24.2%Trusted Source of men and 21.8%Trusted Source of women died from heart disease.

However, when strokes, which have similar risk factors, are added in, the figures are even more similar between men and women: 28.7%Trusted Source of men and 28%Trusted Source of women died from heart disease or stroke.

It is a common misconception that only men are affected by heart disease. It is true that men tend to develop cardiovascular disease at an earlier age than women and have a greater risk of coronary heart disease. However, women have a higher risk of stroke.

One paper explains, “Although the incidence of [cardiovascular disease] in women is usually lower than in men, women have a higher mortality and worse prognosis after acute cardiovascular events.”

8. Cardiac arrest and heart attack are the same

Heart attacks and cardiac arrests are not the same thing. A heart attack is a circulation problem. It occurs when the coronary artery, which carries oxygenated blood to the muscles of the heart, becomes blocked.

A cardiac arrest is an “electrical problem,” where the heart stops pumping blood around the body effectively. Cardiac arrests are often caused by a heart attack.

During a heart attack, an individual is likely to be conscious. During a cardiac arrest, they are almost always unconscious. Both are a medical emergency.

9. Coughing during a heart attack can save your life

According to some sources, coughing vigorously during a heart attack — so-called cough CPR — can save your life.

This is an internet distortion of a paperTrusted Source published over 40 years ago, which showed that patients who had a cardiac arrest during arteriography in hospital and who coughed every 1–3 seconds stayed conscious for an additional 39 seconds.

There is no evidence that this technique works in the community for heart attacks that are not induced by medical procedures.

According to Christopher Allen, a senior cardiac nurse:

“The absolute priority when you think you or someone else is having a heart attack is to call [the emergency services]. This way, paramedics can assess and aid you, and you’ll get to hospital as fast as possible. There is no medical evidence to support ‘cough CPR.’”

10. People with heart disease should avoid eating all fat

A person with cardiovascular disease certainly should reduce their intake of saturated fats — which are found in foods such as butter, biscuits, bacon, and sausages — and partially hydrogenated and trans fats, which are found in foods such as baked goods, frozen pizzas, and microwave popcorn.

However, unsaturated fats can provide benefits. For instance, there is some evidence that omega-3, which is a polyunsaturated fat, might protectTrusted Source heart health.

The American Heart AssociationTrusted Source recommend “that all adults eat fish (particularly fatty fish) at least 2 times a week. Fish is a good source of protein and is low in saturated fat. Fish, especially oily species like mackerel, lake trout, herring, sardines, albacore tuna, and salmon, provide significant amounts of the two kinds of omega-3 fatty acids shown to be cardioprotective, [eicosapentaenoic acid] and [docosahexaenoic acid].”

They also recommend eating plant-derived omega-3 fatty acids. These can be found in tofu and other forms of soybeans; walnuts, flaxseeds, and their oils; and canola oil.

The take-home

Heart disease is common, but it is not inevitable. There are lifestyle changes that we can all implement to reduce the risk of developing cardiovascular problems, whatever our age.

Disclaimer: Any opinions, views and beliefs represented in this article are personal and belong solely to the author/s and do not necessarily reflect the opinion, views and beliefs of the organisation and employees of New Image™ International

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