Variations in a single gene appear to play a major role in how old we look.
"Get more sun!" we're told, when we need to bulk up on our vitamin D. Fair enough, but how does merely walking outdoors turn us into vitamin factories?
If you get a serious enough cut, you're going to carry a scar around with you for the rest of your days, and it's going to behave a bit differently than your normal skin. How do scars heal, and why don't they just disappear?
Are you forever reaching for lip balm? Chapped lips are a way of life for some people. How do they get like that? Can we prevent it from happening?
The first cut might not always be the deepest, but one thing's for sure: If it's deep enough, you're going to have a scar. How come skin sometimes leaves reminders of our pain?
If you've ever wondered why putting a foot outside of the covers at night cools you down on a warm, tossy-turny night, Trace has the answer.
Every Monday, we answer some of YOUR questions! This week, let’s tackle hair. Why do we all have different hair?
The low rates of sunscreen use likely mean the high rates of the most common cancer -- melanoma -- won't be dropping soon. Continue reading →
+ Load More