How a Healthy Mind-Set Influences Longevity (NYT)

Nan Niland, 72, worked as a dentist for 40 years. “It really was my self-definition,” she said. “Probably too much.”

When she retired in 2020, she settled into a routine of exercising, reading, sewing and spending time in nature. But after awhile, she began to crave a little more structure and purpose.

Then she read about the Newton, Mass., charity Welcome Home in a local newsletter. The organization serves as a home goods pantry, collecting and redistributing household items to families in need.

Today, Ms. Niland volunteers there about 15 hours a week. “I needed to feel like I was doing something other than pleasing myself,” she said.

Much has been written about how physical behaviors, like exercise, diet and sleep, contribute to a long and healthy life. But research suggests that, as you age, a positive mind-set — including optimism and a sense of purpose — can benefit your health and longevity, too.

Mattering matters.

Feeling that you are valued and have something to contribute to others, often called mattering, can help drive you toward positive health behaviors that influence longevity. “If you feel like you matter, you’re more likely to stay socially connected, to take care of yourself, to show up for others, to keep investing in life,” said Jennifer B. Wallace, the author of a new book, “Mattering.”

When Dr. Linda Fried worked as a geriatrician at Johns Hopkins Medicine early in her career, she realized that many of her patients were “legitimately feeling sick,” but the cause of their sickness stemmed from “not having a reason to get up in the morning.”

Dr. Fried, now a professor of epidemiology and medicine at Columbia University, started recommending that her patients volunteer at an organization that they care about. Not long after, she started her own volunteer program to study the potential benefits on older adults.

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