Five Healthy Habits May Add More Than a Decade to Your Life

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Dallas, TX…Maintaining a healthy lifestyle, including eating a healthy diet, regular exercise and not smoking, could prolong life expectancy at age 50 by 14 years for women and just over 12 years for men, according to new research in the American Heart Association’s journal Circulation.  America is one of the wealthiest countries worldwide, yet Americans have a shorter life expectancy compared with other high-income countries, including Japan, Canada and Norway. Heart disease and stroke are major contributors to premature death in this country, with 2,300 Americans dying of cardiovascular disease each day, or one death every 38 seconds. Researchers point out that the U.S. healthcare system focuses heavily on drug discovery and disease management; however, a greater emphasis on prevention could change this life expectancy trend.

To quantify the effects of prevention, researchers analyzed data from two major ongoing cohort studies that includes dietary, lifestyle and medical information on thousands of adults in the Nurses’ Health Study and the Health Professionals Follow-up Study. These data were combined with National Health and Nutrition Examination Survey (NHANES) data, as well as mortality data from the Centers for Disease Control and Prevention (CDC), to estimate the impact of lifestyle factors on life expectancy in the U.S. population. Specifically, they looked at how the following five behaviors affected a person’s longevity: not smoking, eating a healthy diet (diet score in the top 40 percent of each cohort), regularly exercising (30+ minutes a day of moderate to vigorous activity), keeping a healthy body weight (18.5-24.9 kg/m), and moderate alcohol consumption (5-15 g/day for women, 5-30 g/day for men).

Over the course of nearly 34 and 27 years of follow-up of women and men, respectively, a total of 42,167 deaths were recorded, of which 13,953 were due to cancer and another 10,689 were due to cardiovascular disease. Following all five lifestyle behaviors significantly improved longevity for both men and women. Other noteworthy findings from the study include:

  • Compared with people who didn’t follow any of the five lifestyle habits, those who followed all five were 74 percent less likely to die during the follow-up period; 82 percent less likely to die from cardiovascular disease and 65 percent less likely to die from cancer.
  • There was a direct association between each individual behavior and a reduced risk of premature death, with the combination of following all five lifestyle behaviors showing the most protection.

Between 1940 and 2014, Americans’ life expectancy at birth rose from around 63 years to nearly 79 years. However, researchers believe the improvement of life expectancy would be even larger without the widespread prevalence of obesity—a known risk factor for heart disease, stroke and premature death.

“Quantifying the association between healthy lifestyle factors and longer life expectancy is important not only for individual behavioral changes but also for health communicators and policy makers,” said study author Frank B. Hu, M.D., Ph.D., who chairs the Department of Nutrition at the Harvard T.H. Chan School of Public Health in Boston. “It is critical to put prevention first. Prevention, through diet and lifestyle modifications, has enormous benefits in terms of reducing occurrence of chronic diseases, improving life expectancy as shown in this study, and reducing healthcare costs.”

The American Heart Association recommends people work to protect themselves from heart disease, the nation’s No. 1 killer, with Life’s Simple 7® — easy-to-embrace ways to significantly lower your risk of heart disease and improve your health. Life’s Simple 7 includes being physically active; achieving and maintaining a healthy body weight; eating a healthy diet; avoiding tobacco; and maintaining healthy levels of blood pressure, cholesterol and blood sugar. Additionally, the Association’s Healthy For Good™ movement helps consumers make lasting changes to improve nutrition, physical activity and well-being.

Co-authors are: Yanping Li, Ph.D.; An Pan, Ph.D.; Dong D. Wang, Sc.D.; Xiaoran Liu, Ph.D.; Klodian Dhana, Ph.D.; Oscar H. Franco, Ph.D.; Stephen Kaptoge, Ph.D.; Emanuele Di Angelantonio, M.D.; Meir Stampfer, M.D., Dr.P.H.; and Walter C. Willett, M.D., Dr.P.H. Author disclosures are on the manuscript.

The Nurses’ Health Study and Health Professionals Follow-up study were supported by grants from the National Institutes of Health. Two co-authors from United Kingdom received support from the British Heart Foundation and UK Medical Research Council.

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Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the association’s policy or position. The association makes no representation or guarantee as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations and health insurance providers are available at www.heart.org/corporatefunding.

About the American Heart Association

The American Heart Association is devoted to saving people from heart disease and stroke – the two leading causes of death in the world. We team with millions of volunteers to fund innovative research, fight for stronger public health policies and provide lifesaving tools and information to prevent and treat these diseases. The Dallas-based association is the nation’s oldest and largest voluntary organization dedicated to fighting heart disease and stroke. To learn more or to get involved, call 1-800-AHA-USA1, visit heart.org or call any of our offices around the country. Follow us on Facebook and Twitter.

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