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Dr. Jason Fung speaks with Vinnie Tortorich on today’s Angriest Trainer podcast concerning the effects of diet and insulin.
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DR. FUNG
- Kidney specialist
- Works often with type 2 diabetics — biggest cause of kidney nephropathy
- Type 2 linked closely with obesity
- Insulin has negative effects
- Visit his website here
DONALDSONVILLE
- People all on tons of meds
- All have a sugary drink and some awful food in their hands
MISUNDERSTANDING OF WEIGHT GAIN
- Obesity links tons of diseases together
- Dr. Fung started by asking: What causes obesity?
- The Aetiology of Obesity Lectures
- Sugar is the enemy, not calories
- When you eat less calories, your energy expenditure (and thus fat/fuel usage) goes down
- You simply get hungrier
- When you eat less calories, your energy expenditure (and thus fat/fuel usage) goes down
- Takes time to lose the weight
- Cortisol is a stress hormone — encourages getting fat
- Leptin — produced by fat cells, regulates how much fat is in the body
- If you have lots of fat, leptin is released and tells your brain to stop gaining more weight
- When you are quite fat, your body stops responding to leptin
- Secondary hormone — doesn’t pass the causal test
- Ghrelin is another one of these secondary hormones
- No lasting effect so doesn’t pass the causal test
FASTING
- People always ask Vinnie about IM fasting
- Intermittent fasting should happen every day
- 3 meals a day — fast in between
- literal “break – fast”
- Snacks don’t allow your body to process everything
- Shorter fasts are not enough
- Insulin levels not sustainably down
- We obsess to much about what we are eating, we need to think about when we are eating