Why Senior Centers Have So Much to Offer

Vearlie Segears, 78, takes two buses to get to the Hattie Holmes Senior Wellness Center in the District of Columbia, and the trip is worth it. "I come in the mornings," she says. "I do open gym – I ride the...

How much sleep do teenagers need?

How much sleep do teenagers need? Are they being kept awake by mobile phones and tablets? Do they need more advice on how to get a good night's sleep and more education about the risks of sleep deprivation? Th...