Scientists Spot Genes Tied to Aging

SUNDAY, Feb. 7 (HealthDay News) -- Scientists have discovered genetic variants that are associated with biological aging, a finding that could explain why some people seem to age faster than others.

Ski Helmets Encouraged for All

SUNDAY, Feb. 7 (HealthDay News) -- Helmets reduce skiers' and snowboarders' risk of head injury by 35 percent and don't increase the risk of neck injury, a new study shows.