The Regulation of Body Weight and Food Intake Flashcards
1
Q
Prevalence of obesity has risen dramatically over a relatively short period of time during which _________ should not be a factor
A
genetic factors
The environment has to be the main culprit:
Abundance of cheap, good, high fat food –> ↑ intake
New technologies –> ↓ activity
Why then are we not all overweight or obese?
2
Q
Energy Balance Regulation
Physiologic or Homeostatic Mechanisms
A
Short-Term Signals – meal-related
Long-Term Signals – adiposity-related
3
Q
Energy Balance Regulation’
Non-Homeostatic Mechanisms
A
Reward and Motivation
Cognitive/Executive Decisions
Environmental Cues
Social Context
4
Q
Leptin
A
satiety
5
Q
Ghrelin
A
hunger hormone
