Whenever you see blood outside your body, it looks red. Why? Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that’s crucial for carrying oxygen ...

When I turned 27, subtle blue veins began to show on my forehead. They didn’t bother me much—until the one on my right temple reached my eyebrow and created an optical illusion that made my brows, ...

Q: I'm 14 and have size 38D breasts. Since my breasts started developing I've noticed blue veins from the nipple and across my chest in a spider web-like pattern. Is this bad? Is this permanent or ...

Hours of scrolling could be wreaking havoc on your skin. Raise your hand if you have aimlessly scrolled through your social media feed just to fall down a rabbit hole that's left you online for longer ...