Structure and Function of Arteries, Capillaries, and Veins. The walls of arteries and veins have three layers or tunics: 1  An outer layer (tunica adventitia) of connective tissue with collagen fibers. 2  A middle layer (tunica media) of circularly arranged smooth muscle and elastic fibers.
You might have heard that eating chocolate or greasy foods can cause acne, but these are both just myths. The truth is that food has little to do with breakouts. Acne occurs when the openings of hair follicles become blocked with oil secretions, dead skin cells and bacteria.
1 Eat Bread, Sober Up This old wivesâ tale seems to make sense: Eat some bread with your drinks and it will help soak up the booze. 2  And there actually could be a few crumbs of truth to it, Finkelstein says. 3  When you fill your stomach with food, you could be slowing the absorption rate of the alcohol youâre drinking. When you fill your stomach with food, you could be slowing the absorption rate of the alcohol youâre drinking. 2  However, he says, though it might help you a little bit, itâs probably not going to be enough to sober you up and keep you from getting drunk.