Secret Weapons for healthy skin - 6at4

UVA rays travel through windows in the office, home, and car, unlike UVB rays. Few worried much about UVA because it's only about 1/10 the strength of UVB. Those who don't spend most of their waking hours in a cinder-block bunker should use a broad-spectrum sunscreen.
April 24, 2012 2:18:35 PM PDT