Describe three main types of eating disorders
There three main categories of eating disorders – anorexia nervosa, bulimia nervosa and eating disorders not otherwise specified (EDNOS), including binge eating disorder. People with anorexia nervosa strive for extreme thinness, e.g. 85% below normal weight. They have a pronounced fear of becoming fat and exhibit endocrine difficulties, loss of menstruation in females and lack of sexual potency in males. Individuals with bulimia nervosa also fear overweight, but they have an overwhelming urge to consume large quantities of food. In response, they will perform inappropriate compensatory behaviors including vomiting; excessive exercise; severe calorie restriction, or misuse of laxatives, enemas, or diuretics. EDNOS may be described as a partial syndrome since symptoms vary and do not entirely match those of anorexia nervosa or bulimia nervosa. This category includes binge eating disorder in which individuals binge eat but do not use compensatory behaviors such as vomiting.
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Which of the following statements is true?
A. A single-blind experiment is one in which neither the investigator nor the subjects know which treatment group each participant is a part of in the study. B. When interpreting results of their studies, researchers generally seek to include some bias into their analyses. C. Control groups are not as important to nutrition-based research studies as they are to other types of research. D. Scientific studies to investigate the same question can have different findings.
Diabetes affects _____ of persons aged 20 and older in the United States
a. 5% b. 7% c. 9% d. 11%
All of the following are true regarding obesity EXCEPT:
a. a genetic predisposition toward inactivity may influence obesity development in some people. b. it is primarily influenced by a low-calorie diet. c. over 200 genetic traits have been associated with obesity development. d. high-carbohydrate diets may influence obesity development in some people.
The type of iron in cast iron skillets is
A) non-heme iron. B) heme iron. C) non-absorbable iron. D) metallic iron.