How old are you? It’s a seemingly simple question, yet at the same time complex, with an air of intrusiveness and impropriety ...

We are conservatives in • respect to inventions which are old and useful, and reformers in respect to those which are old and of an inferior character. Plain common sense teaches any man that it ...

The puzzle became known as “Dudeney’s dissection” or the “haberdasher’s problem,” and it was even featured in Scientific American’s June 1958 issue. Martin Gardner, a mathematician ...

Explore the emerging science of healthspan in other stories in this special report.

By incorporating healthspan science into clinical practice, some doctors are navigating a gray area between mainstream ...

Extending the human healthspan would bring happiness, vitality, productivity and meaning to millions of older adults. It ...

Science has extended the human lifespan, but our later years often bring chronic disease. But it may no longer need to be ...

The best-selling author and podcaster on how to preserve robust physical, cognitive and emotional health, and how Medicine ...