NSD 225 Lecture 2: Energy balance & weight management
14 Feb 2017
School
Department
Course
Professor
Document Summary
Ghrelin: protein made by stomach cells that enhances appetite and decreases energy expenditure. Genes 75% responsible for body weight. Environment 25% responsible for body weight. Body compensates or diet and exercise variations by adjusting energy intake and expenditure to keep weight at a particular level. Body responds to short-term changes in food intake and activity and long term changes in stored body fat. Easy access to food (high calorie/high fat) Appetite desire to consume specific foods triggered by external cues (i. e. smell) independent of hunger. Hunger desire to consume food that is triggered by internal physiological signals. Replication of an earlier study from the 1960s. 6 drawings of children: (cid:862)healthy(cid:863) (cid:272)hild (cid:449) (cid:374)o disa(cid:271)ilities, child with crutches and brace on leg, child sitting in wheel chair, no left hand fa(cid:272)ial , obese. Discrimination: children ranked the drawings of (cid:272)hildre(cid:374) they liked (cid:271)est a(cid:374)d the least: Obesity is a chronic disease: treatment requires long term lifestyle changes.
