For healthy skin, collagen is key: This naturally occurring protein keeps skin smooth and youthful, but our bodies produce less collagen as we get older. The result? Thinner skin, dryness, and more wrinkles.
Definition of BLACK BILE. : a humor of medieval physiology believed to be secreted by the kidneys or spleen and to cause melancholy. ADVERTISEMENT.1681. a humor of medieval physiology believed to be secreted by the kidneys or spleen and to cause melancholy. ADVERTISEMENT. 1681.
Black mold, also referred to as mold or mildew, is a type of fungus that produces a fluffy or powdery growth on surfaces. Black mold is able to grow on many household surfaces, such as carpets, cloth, leather, wood, insulation and food.