The Wall Street Journal has published a fascinating article about the super-agers who enjoy very long and healthy lives.
Genes play a big role, but it turns out that another one of the keys to long life is to be happy and sociable.
If you want to live to your 100th birthday, healthy habits can only get you so far.
Research is making clearer the role that genes play in living to very old age. Habits like getting enough sleep, exercising and eating a healthy diet can help you stave off disease and live longer, yet when it comes to living beyond 90, genetics start to play a trump card, say researchers who study aging.
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About 25% of your ability to live to 90 is determined by genetics, says Dr. Thomas Perls, a professor of medicine at Boston University who leads the New England Centenarian Study, which has followed centenarians and their family members since 1995. By age 100, it’s roughly 50% genetic, he estimates, and by around 106, it’s 75%.
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Not only do centenarians live longer, but data suggest they manage to avoid or delay age-related diseases like cancer, dementia and cardiovascular disease longer than the general population. Among the New England Centenarian Study participants, 15% are “escapers,” or people with no demonstrable disease at the age of 100; some 43% are “delayers,” those who didn’t develop age-related disease until age 80 or after.
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“Super-agers,” or people over the age of 80 whose cognitive abilities are on par with those 20 to 30 years younger, reported having more warm, trusting, high-quality relationships with other people than cognitively normal participants, investigators at Northwestern University found.
“Keeping in good relationships could be one key to healthspan,” says Amanda Cook Maher, a neuropsychologist at the University of Michigan and lead author of the study.
Your outlook also matters. Harvard researchers identified a link between optimism and longer lifespans in women across racial and ethnic groups. Among the study participants, the 25% who were the most optimistic had a greater likelihood of living beyond 90 years than the least-optimistic 25%, according to the 2022 study published in the Journal of the American Geriatrics Society.
The mind is a very powerful thing.
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