Thanks to Put B for sending this from London!
From the NYT: Not long ago, Stephanie Heller, a New Jersey realtor, was leaving her gym after a workout when she noticed a woman in the parking lot struggling to bend down. “I don’t know if she dropped something and had to pick it up, or if her shoe was untied,” Ms. Heller said, but she eagerly bounded over to help. The woman blamed old age for her incapacity, explaining that she was 70. But Ms. Heller was 71.
“This woman felt every bit her age,” she recalled. “I don’t let age stop me. I think it’s a mind-set, really.”
Each of us has a chronological age, the number we commemorate on birthdays. But some 50-, 60- and 70-year-olds look and feel youthful, while others do not. Scientists can measure these differences by looking at age-related biomarkers — things like skin elasticity, blood pressure, lung capacity and grip strength. People with a healthy lifestyle and living conditions and a fortunate genetic inheritance tend to score “younger” on these assessments and are said to have a lower “biological age.”
But there’s a much easier way to determine the shape people are in. It’s called “subjective age.”
When scientists ask: “How old do you feel, most of the time?” the answer tends to reflect the state of people’s physical and mental health. “This simple question seems to be particularly powerful,” says Antonio Terracciano, a professor of geriatrics at Florida State University College of Medicine in Tallahassee.
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