Erikson's stages of psychosocial development. Erikson's stages of psychosocial development, as articulated by Erik Erikson, in collaboration with Joan Erikson, is a comprehensive psychoanalytic theory that identifies a series of eight stages, in which a healthy developing individual should pass through from infancy to late adulthood.
Richard Drury/Â­Getty Images. Â­There are numerous types of sugar, although most people might first think of basic table sugar, the white crystals used in most homes and in much cooking. This sugar is called sucrose and comes from sugar beets or sugarcane. Sucrose appears in other plants, too, along with glucose and fructose. It's actually in every plant since sugar and oxygen are products of photosynthesis. But unlike sugar beets and sugarcane, other plants don't produce sucrose in sufficient quantities for harvesting. Other types of sugar include:
You may also hear sugar referred to as simple or fast-acting carbohydrate. There are two main types of sugar: naturally occurring sugars such as those in milk or fruit. added sugars such as those added during processing such as fruit canned in heavy syrup or sugar added to make a cookie.