Gretchen Reynolds Quotes

Every hour of television that a person watches after the age of twenty-five, the researchers concluded, potentially snips twenty-two minutes off of the viewer's life span.

By a sizable margin, walking, especially when the athletes landed first with their heels, was the most economical way for human beings to move.

If you move enough, your muscles change and grow. So does your mind. The brain initiates movement. But it is, in its turn, remade by movement. New cells are born; new vessels sprout. The same process operates body-­wide. No cell in your body is unaffected by motion. Your very DNA is changed.

There is no medicine or other intervention that appears to be nearly as effective as exercise in maintaining or even bumping up a person's cognitive abilities.

Drop onto all fours and crawl the length of the court or field, as if you were climbing a wall. This prepares you, too, for light cat burgling, should your athletic career flag.