HOW AGING AFFECTS YOUR SKIN Your skin’s most powerful foe is the sun. Ultraviolet rays penetrate skin layers and damage your cells and DNA. Other factors contribute to skin health and degradation as well, including genetics, environment, and lifestyle choices — so the effects differ from person to person. But aging is the one factor everyone shares, and it does a number on your skin. The changes aren’t just in your imagination; they’re scientific facts. Here’s what happens to