Why Do “Left” And “Right” Mean Liberal And Conservative? However, when the liver is damaged and cannot metabolize the alcohol so well, this tolerance may drop. Sugar alcohols (also called polyhydric alcohols, polyalcohols, alditols or glycitols) are organic compounds, typically derived from sugars, containing one hydroxyl group (–OH) attached to each carbon atom. Test Your Knowledge - and learn some interesting things along the way. People who have alcoholism are called alcoholics. Excessive alcohol use can damage all organ systems, but it particularly affects the brain, heart, liver, pancreas and immune system. the act of a person who encloses something in or as if in a casing or covering, a school giving instruction in one or more of the fine or dramatic arts, a comic character, usually masked, dressed in multicolored, diamond-patterned tights, and carrying a wooden sword or magic wand, 1535–45;