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Feb 8, 2022 · Studies have also shown that diet can increase lifespan. A new study has found that eating healthier could extend lifespan by six to seven years in middle-aged age adults, and in young adults ...
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- Overview
- What habits can lead to significant increase in lifespan?
- Preventing chronic disease to increase lifespan
- It’s never too late to adopt healthy habits
- How to add a couple of years to life expectancy
- Observational study cannot establish causality
•Researchers find that people who adopt eight healthy lifestyle habits by middle age could live substantially longer.
•Some of these habits included having good sleep hygiene and not smoking.
•Men who adopt all eight habits by age 40 would be predicted to live an average of 24 years longer than men with none of these habits.
•Women who adopted all eight habits by the age of 40 would be predicted to live an average of 23 years longer than women with none of these habits.
A new observational study identified eight lifestyle habits that—when adopted by midlife—may extend an individual’s lifespan.
The researchers used data from medical records and questionnaires from 719,147 enrolled in the Veterans Affairs Million Veteran Program MVP, a health research program centering around more than a million United States veterans that is designed to help researchers study how genes, lifestyles, military experiences, and exposures impact health and wellness.
The data used for this study was collected between 2011 and 2019. It featured U.S. veterans between the ages of 40 and 99. Over 30,000 participants died during the follow-up.
“We looked at all-cause mortality in this study using cox proportional hazard regression models and longevity using a multi-lifetable method, calculating the longevity for male veterans and female veterans separately,” Nguyen explained.
Veterans who adopted all eight habits had a 13% reduction in death from any cause compared to those who adopted none of the eight habits.
The study found that men who have adopted all eight habits at the age of 40 would be predicted to live 24 years longer, on average, than men who adopted none of these habits. Women who have adopted all eight habits by age 40 would live 23 years longer on average compared to those who adopted none.
“Take home message: Veterans who commit to a moderate change toward living a healthier lifestyle during middle-age may prolong their life expectancy,” Nguyen stressed to Medical News Today.
The researchers found that low physical activity, opioid use, and smoking had the biggest impact on an individual’s lifespan. During the study period, these habits were associated with a 30% to 45% higher risk of death.
According to the U.S. Centers for Disease Control and Prevention, chronic diseases, such as heart disease and diabetes, are the leading causes of death and disability in the United States.
“Non-communicable chronic diseases are associated with over 80% of all healthcare dollars…,” Nguyen told MNT.
“Living with a chronic disease is costly and a burden to individuals and to society. Studies have found that approximately 90% of diabetes, 80% of coronary heart disease, and 70% of cardiovascular mortality can be attributed to unhealthy lifestyle habits,” she said.
Lifestyle medicine is a specialty that focuses on preventing chronic diseases.
“It provides a potential avenue for altering the course of ever-increasing [healthcare] costs resulting from prescription medicine and surgical procedures,” Dr. Nguyen said of lifestyle medicine. “We chose to explore lifestyle factors among veterans participating in the Million Veteran Program (MVP) because it is a unique opportunity to better understand and care for a specific population of people who have devoted themselves to service.”
Dr. Yanping Li, a research scientist in the Department of Nutrition at the Harvard T.H. Chan School of Public Health and a co-author of the study, previously served as a co-author of a 2018 study that found maintaining five healthy habits as adults — eating a healthy diet, exercising regularly, keeping a healthy body weight, not drinking too much alcohol, and not smoking—may add more than a decade to life.
There are benefits to be had even if patients can’t adopt all eight healthy habits.
“We were really surprised by just how much could be gained with the adoption of one… two… three.. or all eight lifestyle factors!” Nguyen said.
Dr. William Schaffner, a professor of preventive medicine and infectious diseases at Vanderbilt University Medical Center in Nashville, Tennessee, took particular note of that element of the study.
“It was impressive in the sense that, even if you start, and you don’t do them all…it still is beneficial,” he told MNT.
While the research suggests that adopting healthy habits at older ages likely results in smaller estimated gains in life expectancy, it’s still probably fruitful.
“Our research findings suggest that adopting a healthy lifestyle is important for both public health and personal wellness,” Nguyen said. “The earlier the better, but even if you make changes in your 40s or 60s, it still is beneficial as seen in our study findings!”
Doctors have long advised patients to eat right and exercise regularly. Studies like this allow them to quantify the benefits of adopting healthy habits.
“The purpose is to let the general audience and the clinical physician to understand how much the difference [is] if they do this or that, so it’s kind of [to help] them to explain to the patient why it’s so important to adopt a healthier lifestyle,” Dr. Li told MNT.
The results of the study make a convincing case, according to Dr. Schaffner.
“If you do wrap them all together, and you start reasonably early, it does seem to predict that you get a substantial increase in your life expectancy,” he said. “We’re not talking about days, weeks, months, or only a couple of years.”
Nguyễn stressed that the research is an observational study.
“I think one of the most important limitations and cautions that people need to understand while interpreting the results of our study is that our estimations are based on observational data and causality cannot be assumed from our findings,” she said.
“Although we have carefully controlled for confounding factors, our results do not imply causal effects. It is critical to not overinterpret the findings considering the observational nature of our study,” she added.
While a committee of experts evaluated the abstracts selected for Nutrition 2023, they did not undergo the same peer review process required for publication in a scientific journal.
- Beth Jojack
Oct 10, 2022 · Just 20 minutes of aerobic exercise immediately lowers blood pressure (and keeps it lower for 22 hours). Dr. Harry says people tend to be more consistent with exercise when they think of it as part of a healthy lifestyle, not just for weight management. “I love the term ‘physical activity’ vs. exercise.
Apr 30, 2018 · Lifestyle habits in adulthood may increase women’s life expectancy by 14 years, men gain 12. Maintaining five healthy habits — eating a healthy diet, exercising regularly, keeping a healthy body weight, not drinking too much alcohol, and not smoking — during adulthood may add more than a decade to life expectancy, according to a new study ...
- Harvardgazette
Feb 8, 2022 · Our modeling methodology has bridged this gap.”. The scientists conclude that a sustained switch from a typical Western diet to the optimal diet from age 20 years could increase life expectancy ...
May 24, 2023 · These include things like adjusting your diet, turning off the TV and getting outdoors, increasing social interactions, and having sex. Even simple fixes like flossing your teeth can help. This article looks at 10 simple steps to increase your life expectancy, including what the current research says. 1.
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