Contrary to popular wisdom among many gym-goers and even some scientists, healthy people in their 60s, 70s and beyond can safely start lifting weights and rapidly build substantial muscle mass, strength and mobility.

Q: I always feel lonely over the holidays, even if I see my family. What could I do to feel less isolated?

A rise in obesity from 33% to 41% and diabetes from 3% to 4% bodes ill for the 20-44 generation.

The findings were based on information from the parents of 993 children ages 1 to 14.

In the longevity world, time is a fungible concept. Aging is something to be battled and slain. A burgeoning apothecary of serums and humectants is marketed as "anti-aging."

Watch a marathon from a distance, and you'll see a parade of runners streaming over the finish line like a school of mismatched fish.