Ever noticed those bright blue veins popping out on the back of your hands and wondered, “Is this normal or a sign of something serious?” You’re not alone — and the answer might surprise you. Did you ...

The blood inside your veins is dark red. So, many people wonder why veins look green or blue through the skin instead of red. Veins are types of blood vessels. The other blood vessel types are ...

Although varicose veins and deep vein thrombosis (DVT) both affect the veins, these two conditions have different causes, involve different kinds of veins, and have unique symptoms. One is also more ...