Week 11: Diet and weight management Flashcards
____% of Australians are overweight/obese
67%
___% of children are overweight/obese
25%
Ghrelin function….
stimulates appetite (increases before meal returns to baseline after meal)
Function of leptin and insulin regarding appetite….
- influences how much food is eaten
- Satiety hormones
- Can inhibit eating habits
_______ region of brain play a key role in the central regulation of eating behaviour in humans
hypothalamic
Satiety is the…
inhibition of eating following a meal (interval and amount)
Other factors that influence appetite include (7)
- Taste, smell of food
- Nutrients
- Memory
- Time of day
- social interactions
- stress
- physical activity
Intensity (70% vo2 max), duration of (60mins +) and mode _____ appetite
supress
Is a calori a calorie?
Yes, BUT calories from different food sources can have a markedly different effect on the hunger, hormone, EE, and the brain regions that control food
The metabolic pathway for protein is ____ efficient then for fat and CHO. This causes…
less, protein reduces appetite more effectively , then reduced energy intake
Refined CHO leads to faster and bigger spike in ?????, which then leads to …?
blood sugar, More cravings and higher food intake
Low fat diets are effective because…
- Fat is energy dense
- Fat increases desire to eat
- Fat decrease satiety more than protein and CHO
- Faat intake is not immediately used for oxidation -> stored is adipose tissue
High protein diets include protein % from ….
10-15% (average) to 30%
High protein diets effect…
- increase satiety
- large thermic effect
- maintains muscle mass and RMR
- Less weight re gained after diet
Low CHO diet assumption…
- low CHO = high fat oxidation (lower insulin levels promote lipolysis)
