Weight loss & control Flashcards
Ghrelin
the hunger hormone; sends a signal to the brain that tells you that you are hungry
Prader Willi syndrome
- excess of ghrelin
- leads to obesity
- excess hunger and food consumption
no medications effective
Leptin
hormone that regulates appetite (decrease) and metabolism (increase)
individuals with obesity have higher levels of leptin causing them resistance to it
Gut satiety hormones
- GLP-1 is released in the intestine in response to the food, goes to the brain and decreases the urge to eat
- high fibre diets stimulate greater gut hormone production
- individuals with obesity secrete less appetite-reducing gut hormones (can be given by injection)
Fibre pills
- no significant effects on body weight
- significant reductions in LDL cholesterol
Social factors that influence food intake
- portion size
- taste
- advertisement
- variety
- plate size
- availability
How well can our body store energy?
according to the study people can survive more without food depending on their weight however when comparing the lean man and obese man the lean man will have less weight
Does dieting help with weight loss?
it can be helpful if people can commit to the diet routine for their whole life
How can you lose a pound of weight every week?
by exercising for an hour a day
What per cent of individuals will not maintain a reduced weight?
over 95%
Set point theory
determines how sensitive you are to fighting against weight loss
Gliosis
scar tissue in the hypothalamus that leads to chronic obesity
Medications used to reduce weight
- xenical (orlistat)
- 3% weight loss
- blocks your ability to digest and absorb fat
- contrave (naltrexone and bupropion)
- 8.1% weight loss
- a combination of 2 older drugs
- saxenda (liraglutide)
- 8% weight loss
- once a day injectible
-wegovy (semaglutide) - 15% weight loss
- once a week injectable but gives double the amount of weight loss
Bariatric surgery
medical term for surgical procedures used to manage obesity and obesity-related conditions
