Varicose veins, also known as varicosities, are swollen, twisted veins that lie just beneath the surface of the skin. They鈥檙e usually found in the legs but can also form in other parts of the body....
Why do snakes make venom? Essentially to bring down prey for food, but snakes will also bite to defend themselves. Chemically, the poisons are very complex and are generally composed of numerous...