Sunscreen slows skin aging, if used often enough

FILE - In this Jan. 6, 2009 file photo, people play on the shoreline of Bondi Beach in Sydney. If worry about skin cancer doesn't make you slop on sunscreen, maybe vanity will: New research provides some of the strongest evidence to date that near-daily sunscreen use can slow the aging of your skin. The new study, from Australia's Sunshine Coast, used a unique step to measure whether sunscreens really help that constant onslaught. Researchers compared fine lines on the hands of hundreds of people who, for more than four years, had been assigned to rub on sunscreen daily or only when they deemed it necessary. (AP Photo/Rob Griffith, File)WASHINGTON (AP) — If worry about skin cancer doesn't make you slather on sunscreen, maybe vanity will: New research provides some of the strongest evidence to date that near-daily sunscreen use can slow the aging of your skin.