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.
Ways to Decrease Absorption of Alcohol. It is imperative that alcohol not be consumed on an empty stomach. If planning to drink alcoholic beverages, it is essential to eat before drinking. Foods with a high fat content, such as meats or cheeses, are a wise choice since these foods are metabolized at a slower rate.