Category Archives: 01. Jason Fung

72 Alcohol while fasting …

QUOTE from Dr Fung (emphasis mine):  Sweetened dessert wines are obviously full of sugar and are not recommended. However, moderate consumption of red wine does not raise insulin or impair insulin sensitivity and therefore may be enjoyed. Up to 2 … Continue reading

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71 Artificial sweeteners that raise insulin should be expected to be harmful, not beneficial.

QUOTE from Dr Fung (emphasis mine):  “Despite reducing sugar, diet sodas do not reduce the risk of obesity, metabolic syndrome, strokes or heart attacks. But why? Because it is insulin, not calories, that ultimately drives obesity and metabolic syndrome. The … Continue reading

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69.5 But what happens if the liver is already crammed full of fat?

QUOTE from Dr Fung (emphasis mine):  “INSULIN IS NORMALLY released when we eat. It directs some of the incoming glucose to be used as energy and some to be stored for later use. In the short term, glucose is stored … Continue reading

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70 N+S Experiments proved that fructose caused the development of insulin resistance in humans.

QUOTE from Dr Fung (emphasis mine):  “At the liver, fructose is rapidly metabolized into glucose, lactose and glycogen. The body handles excess glucose consumption through several well-defined metabolic pathways, such as glycogen storage and de novo lipogenesis (creation of new … Continue reading

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69 N+S Obesity is a hormonal, not a caloric imbalance.

QUOTE from Dr Fung (emphasis mine):  “The simple truth is that weight loss comes down to understanding the hormonal roots of obesity. Insulin is the main driver. Obesity is a hormonal, not a caloric imbalance. There are not one, but … Continue reading

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68 N+S Instead of skipping a meal, we concoct all sorts of intricate rules:

QUOTE from Dr Fung (emphasis mine):  ASK A CHILD how to lose weight, and there’s a good chance he or she will answer, “Skip a few meals.” This suggestion is probably the simplest and most correct answer.  Instead, we concoct … Continue reading

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67 N+S Increasing the timing of meals has a far more detrimental long-term effect on weight gain.

QUOTE from Dr Fung (emphasis mine):  “The reverse is also true. Does increasing meal size or frequency contribute to obesity? A recent randomized controlled trial comparing the two demonstrated that only the group with increased eating frequency significantly increased intrahepatic … Continue reading

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66 N+S INTERMITTENT FASTING AND CALORIC REDUCTION

QUOTE from Dr Fung (emphasis mine):  “INTERMITTENT FASTING AND CALORIC REDUCTION THE ONE CRUCIAL aspect that differentiates fasting from other diets is its intermittent nature. Diets fail because of their constancy. The defining characteristic of life on Earth is homeostasis. … Continue reading

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65.5 N+S Decreasing food intake is matched by decreased energy expenditure.

QUOTE from Dr Fung (emphasis mine):  “There are, in fact, no species of animal, humans included, that have evolved to require three meals a day, everyday. It’s unclear to me where this myth originated. Daily caloric restriction does, in fact, … Continue reading

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65 Blood glucose levels remain normal as the body switches over to burning fat for energy.

QUOTE from Dr Fung (emphasis mine):  “Blood glucose levels remain normal as the body switches over to burning fat for energy. This effect occurs with fasting periods as short as twenty-four to thirty-six hours. Longer fasts reduce insulin even more … Continue reading

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