PSYCH 100 Study Guide - Twinkie
Document Summary
Set point genetically influenced weight range that you will stay at when not trying to gain or lose weight: varies about 10% in either direction (set point of 150 lbs. could weigh 135 165 lbs. , hormones also influence the set point, heritability of set point is 0. 4 0. 7 in twin studies. Anorexia nervosa: underweight by 10 15% (of lowest healthy bmi, usually achieved by a severe restriction in diet and excessive exercise, distorted body perception, usually beings in adolescence, almost always female (1 4% of females ages 12 40 will have anorexia, the deadliest mental illness on the planet. Bulimia nervosa: maintain a normal body weight, binging (thousands of calories in one sitting) and purging of food, purging consists of self induced vomiting, laxatives, and/or excessive exercise, history of weight problems/issues in the past, feeling out of control when binging, may hoard food and/or their vomit.
