Obesity Flashcards
what causes obesity?
an imbalance between the amount of energy going in and out
what are proteins secreted by adipocytes called?
adipokines
name three adipokines
leptin
adiponectin
oestrogen
what does leptin do?
signals to the brain how adequate fat stores are
what happens when the body lacks leptin?
the brain thinks you are starving
makes you eat more and switches off everything that uses energy
dramatic weight gain
what drug can be used to manage obesity?
orlistat
what type of drug is orlistat?
a lipase inhibitor
how does orlistat work?
stops fat from being broken down and absorbed - excreted in the faeces
what are the three surgical options for obesity?
gastric band
RNY bypass
vertical sleeve gastrectomy
what type of bariatric surgery is gastric band?
restrictive
what type of bariatric surgery is RNY bypass?
restrictive and malabsorptive
what type of bariatric surgery is vertical sleeve gastrectomy?
restrictive
what makes it hard to maintain weight loss?
adaptive thermogenesis
causes loss to plateau
