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Flashcards in diets/ eating disorders Deck (16):
1

popular diets
fat, carb, protein

- low fat- reduced calorie most popular with professionals
-low carb (20-60/d)
> reduced glycogen stores/ initial loss Is water in cells, AHA has concerns with this type (nutrient deficiencies, at 12 months weight loss same as with healthy diet)
-restricted calorie/ carb, increased protein

2

high fat diet

high protein diet

-less effect on fullness
-lower thermogenic effect (easy to digest fats)

-.8g/kg >
-increased satiety + thermogenesis
>maintain fat free mass, continues metabolic burn
-30% of total calories- deemed safe over long periods time

3

detox diet

fad diet

-cautioned, >60% people regain lost weight and more

-unreasonable claim to eat/ avoid specifics. claim food or sup will cause positive effect for current issue
>short term problem- physical harmfrom delayed professional help
>long term- damage/ cost of recovery treatment

4

commercial diets

pharmacological weight loss

-can be effective, accountability/ structure/ improved results

-meds- block absorptions/ increase thermo- suppress appetite

5

pharmacological examples

-orlistat (Xenical)- prevent fat absorption (diahhrea, loss fat soluble vitamins, abdominal pain, increased carb absorption
- fen-phen- reduced appetite- dangerous cardiac issues- banned
-sibutramine- (meridian) reduce appetite/ increase energy, increase norepinephrine/ serotonin activity- reduce hunger- improve tri/ bp/ hdl

6

GI

Fasting

-high GI = spike = overeating
-no real wt change w/ GI tracking but improved LDL

-fat loss, loss lean tissue, drop in BMR, nutrient deficient

7

wt loss- surgery

-boriatric surgery- failed at other options, in danger, morbidly obese
>most effective (adjustable band on stomach
-gastric bypass (RYGB)- staple or remove section of stomach, bypass duodenum, section of SI to limit absorption
-regain 46-63% after 2nd year

8

eating disorder definition

disturbances in eating behavior or methods to control weight that contribute to impairment in physical and mental health, not related to another medical or psychiatric disturbance.

9

% with disorder (AN, BN, BE)

anorexia nervosa m- .3 f-
bulimia nervosa m- .5 f- 1.5
binge eating m- 2 f- 3.5

10

binge eating

-eating more rapidly, till uncomfortably full, without hunger, alone, guilt + disgust
> 2x/wk> for 3 mos, 1x/wk for 6 mos
-psychological dependence + addiction
-unable deal w/ stress
- rise in cortisol may contribute to overeating
- unable to detect hunger

11

bulimia nervosa definition

-recurrent episodes binge eating- loss of control
> comiting, excessive exercise, fasting, laxative use
> concern for weight gain/ desire lose weight, preoccupation with food

12

bulimia nervosa triggers
complications

-history childhood obesity
- comments from family regarding weight
- high negative emotionally, stress reactivity, increased risk substance abuse
- improper nutrition, cardiac abnormality/failure GERD

13

anorexia nervosa definition

outline

types

-extreme wt loss, drive for thinness (wt conscious sports)
- highest mortality rate and #1 among females 15-24

-15% below normal weight
-impaired perception self image
-amenorrhea (missed 3+ periods), loss sex drive

2 types: restrictive- not binge or purge, or binge purge type

14

anorexia nervosa contributing

signs

results of action

- genetics has identified as contributing factor, perfectionism, puberty, media as factors

-wt loss, elimination specific foods, focus on 'safe' foods, fear of fatness, denial hunger, desire thinness
-mask results with loose fitting clothes, withdraw

-brittle hair, lanugo hair, cyanosis, dry skin, nutritional imbalance, cardiac abnormalities, gastro issues, missed periods, osteopenia/porosis

15

anxiety and eating disorders
depression

-body dissatisfaction- may not even be actually overweight, perception of overweight and low self esteem (depression predictor for obesity)
- BN- likely alcohol and polysubstance abuse
- AN + binge purge- OCD, PTSD, Schitzo
- all- depression

16

female triad

energy availability, menstrual function, BMD
> amenorrhea, disordered eating, osteoporosis = female triad
at risk- restricted calories, prolonged exercise, vegetarian