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Do Optimists Live Longer?

A new study has discovered that individuals with greater optimism are more likely to live longer and to achieve “exceptional longevity,” living to age 85 or older.

The study was based on 69,744 women and 1,429 men. Both groups completed survey measures to assess their level of optimism, as well as their overall health and health habits such as diet, smoking, and alcohol use, according to researchers from Boston University School of Medicine (BUSM), National Center for PTSD at VA Boston Healthcare System, and Harvard T.H. Chan School of Public Health.

Women were followed for 10 years, while the men were followed for 30 years, the researchers reported.

When individuals were compared based on their initial levels of optimism, the researchers found that the most optimistic men and women demonstrated, on average, an 11 to 15 percent longer lifespan, and had 50 to 70 percent greater odds of reaching 85 years old compared to the least optimistic groups.

The results were maintained after accounting for age, demographic factors, such as educational attainment, chronic diseases, depression and also health behaviors, such as alcohol use, exercise, diet, and primary care visits.

“While research has identified many risk factors for diseases and premature death, we know relatively less about positive psychosocial factors that can promote healthy aging,” said corresponding author Lewina Lee, PhD, a clinical research psychologist at the National Center for PTSD at VA Boston and assistant professor of psychiatry at BUSM.

“This study has strong public health relevance because it suggests that optimism is one such psychosocial asset that has the potential to extend the human lifespan. Interestingly, optimism may be modifiable using relatively simple techniques or therapies.”

It is unclear how optimism helps people attain longer life, the researchers note.

“Other research suggests that more optimistic people may be able to regulate emotions and behavior, as well as bounce back from stressors and difficulties, more effectively,” said senior author Laura Kubzansky, Ph.D., M.P.H., Lee Kum Kee Professor of Social and Behavioral Sciences and co-director, Lee Kum Sheung Center for Health and Happiness at the Chan school.

The researchers also consider that more optimistic people tend to have healthier habits, such as being more likely to engage in more exercise and less likely to smoke, which could extend lifespan.

“Research on the reason why optimism matters so much remains to be done, but the link between optimism and health is becoming more evident,” said senior author Fran Grodstein, Sc.D., a professor of epidemiology at the Chan school and professor of medicine at the Channing Division of Network Medicine at Brigham and Women’s Hospital and Harvard Medical School.

The study was published in the journal Proceedings of the National Academy of Sciences.

Source: Boston University School of Medicine

Do Optimists Live Longer?

Janice Wood

Janice Wood is a long-time writer and editor who began working at a daily newspaper before graduating from college. She has worked at a variety of newspapers, magazines and websites, covering everything from aviation to finance to healthcare.

APA Reference
Wood, J. (2019). Do Optimists Live Longer?. Psych Central. Retrieved on September 21, 2019, from https://psychcentral.com/news/2019/09/01/do-optimists-live-longer/149905.html
Scientifically Reviewed
Last updated: 1 Sep 2019
Last reviewed: By a member of our scientific advisory board on 1 Sep 2019
Published on Psych Central.com. All rights reserved.