Why Do Some 80-Year-Olds Seem Like They’re 60? (And Some 60-Year-Olds Seem Closer to 80?)

The following article appeared in the Johns Hopkins Medicine News and Publications:

https://www.hopkinsmedicine.org/news/articles/why-do-some-80-year-olds-seem-like-theyre-60-and-some-60-year-olds-seem-closer-to-80-the-johns-hopkins-human-aging-project-looks-for-answers