Nutrition Chapter 9- Weight Management

characteristics of fat cells

Grow in # until teens and then enlarge, After fat in skin fills, fat will be deposited in and around organs

relationship between lipoprotein lipase and weight gain or loss

Lipoprotein Lipase moves fat into cells for storage, Women-higher levels of this enzyme in hips and thighs, Men-higher levels in abdomen

Prader Willi Syndrome

Genetic condition, Constantly hungry, intellectually impaired

compare white and brown fat

White- more for storage

Brown- used for heat (higher in infants and lower in adults)

causes of overweight and obesity

Genetics, Adopted children similar to weight of their biological parents rather than adoptive

EXAMPLE:

ob gene expressed in fat cells– produces: LEPTIN

Over eating (Dietary Fat)

Physical Inactivity

Fast Foods

describe issues concerning weight loss

cellulite

Visible fat under the skin

Older we are, more visible

bariatrics

field of medicine treating obesity

drug treatments for obesity

Sibutramine, Meridia (appetite suppressants) and orlistat-lipase inhibitor

gastric bypass

surgical treatment for obesity; portion of stomach is stapled off and bypassed so that it holds less food; also called stomach stapling

gastric banding

a surgical means of producing weight loss by restricting stomach size with a constricting band

liposuction treatment for obesity

Surgery to break up fat and then remove it

strategies for weight loss

1.) 500 Cal def./ day should produce weight loss of 1 lb/week

2.) Choose Nutrient Dense Foods

3.) Choose Complex Carbs (Legumes, Fruits, Vegs, and Whole Grains)

4.) Limit High Fat Foods

5.) Adequate water intake

6.) Portion Control

7.) Physical Activity

strategies for gaining weight

1.) At least 3 meals/day with snacks

2.) Large Portions

3.) Physical Activity

weight cycling

repeated cycles of losses and gains

diuretics

increase urine output, but only cause water weight lossDangerous

facts about fad diets and misconceptions about activity