Friday, September 7, 2012

Notes: Dr Robert Lustig talks with Jimmy Moore

Back in early 2011, podcaster and low-carb advocate Jimmy Moore interviewed Dr Robert Lustig on the subject of fructose and carbohydrates (episode #429 of his podcast). I though it was interesting enough to warrant sharing the notes I took while listening to that episode:
  • low carbs diet: can be good but is it necessary for the majority of the population (on a long time scale)? Most people get tired of it after 6 months (see Dr. Gary Foster's study), some people may requires more or less carbs, depending on their physiology
  • fiber plays a crucial role in your metabolism and: 
    • high fibre intake lower the chance of colon cancer
    • slow the rate of absorption of sugars (improves hepatic response and helps regulate insulin release)
    • helps with satiety signalling
    • helps with fatty acids absorption (which helps limiting insulin release)
  • what prohibit leptin signalling? High level of insulin does (fructose contribute to that) and that make you eat more
  • obesity : not everybody problem is linked to fructose consumption (everybody is different)
  • we cannot change our biochemistry, we can only change our environment (food and food consumption)
  • blood sugar goes up when the liver cannot keep up with a sudden sugar load
  • whole grains: good because of the fiber (even better if the grains are intact, e.g. not flour)
  • normal fructose consumption isn't the problem, high intake is (7 times more than our ancestors)
Consider this as a follow-up to a previous post on the subject of fructose.

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