14- Stress and Eating Disorders

Question 1

what are the 4 kinds of unhealthy eating cues ?

Answer 1

social cues, situational cues, negative thoughts, negative feelings

Question 2

what BMI would make a woman and man underweight ?

Answer 2

women <19.1

man <20.7

Question 3

what BMI would make a woman anorexic ?

Answer 3

<17.5

Question 4

how many people in America have a diagnosable eating disorder ?

Answer 4

5 million

Question 5

what is the rate of obesity among teens ?

Answer 5

17%

Question 6

when is the usual onset of anorexia nervosa ?

Answer 6

middle teens after a period of life stress or an intense period of dieting

Question 7

what is the ratio female to male of anorexia affliction?

Answer 7

10:1

Question 8

what are the two types of anorexia nervosa ?

Answer 8

restricted type: self-starvation

binge-eating/purging type: self-starvation + purging to help control weight

Question 9

what is the relationship between anorexia nervosa and stress ?

Answer 9

no direct relationship

Question 10

how does AN affect the HPA axis ?

Answer 10

dysregulates it

Question 11

what are the two subtypes of bulimia nervosa ?

Answer 11

purging: self-induced vomiting or misuse of laxatives
nonpurging: compensate for binge eating by indulging in excessive fasting or exercise

Question 12

what is the onset age of bulimia nervosa ?

Answer 12

adolescence to early adulthood

Question 13

is binging something that is planned ?

Answer 13

yes

Question 14

what is the main differing symptom of bulimia nervosa ?

Answer 14

loss of dental enamel

Question 15

which is more common: anorexia or bulimia ?

Answer 15

bulimia

Question 16

what is the main comorbid disorder for bulimia ?

Answer 16

major depression (between 36-63 of bulimics)

Question 17

in bulimia, what is the activation of the HPA axis due to ?

Answer 17

the psychological stress and the physiological stimuli caused by ingestion of large meals

Question 18

do stressors significantly alter food consumption in bulimic women vs healthy women ?

Answer 18

nope, both increased food intake of carbs following a stressor

Question 19

what is the prevalence of binge eating in women and men ?

Answer 19

in women only 1.5 times higher than men (compared to BN or AN where prevalence 10x)

Question 20

how can increased cortisol level lead to more fat ?

Answer 20

insulin resistance therefore promotes visceral fat accumulation

Question 21

what are women more likely to consume to cope ?

Answer 21

food

Question 22

what are men more likely to consume to cope ?

Answer 22

alcohol or cigarettes