Most Replayed Moment: Calories In, Calories Out Is A Myth! Why Most Diets Fail - Dr. Jason Fung

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• 00:03

  In part two of your book, you say the calorie deception.

• 00:07

  And you say there are five wrong assumptions about obesity and weight loss.

• 00:11

  The calorie calorie calorie and calorie out are independent of each other,

• 00:14

  so won't trigger one another.

• 00:16

  And this interesting point about the basal metabolic rate being stable.

• 00:20

  Yeah.

• 00:21

  Is that in essence because people, you know, people will often say, I have a low metabolism.

• 00:25

  It's kind of like a word in culture.

• 00:26

  Someone is obese often.

• 00:29

  the diagnosis is they have a low metabolism.

• 00:32

  Is there any merit in that?

• 00:34

  Oh, absolutely.

• 00:35

  The question, so when you think about, so body fat, you think about the energy balance equation.

• 00:40

  Body fat equals calories in minus calories out.

• 00:43

  This often leads people to say, well,

• 00:45

  just eat 500 fewer calories and you'll lose a pound of fat per week.

• 00:50

  It's unquestionably false

• 00:52

  because every single study that we've done over the last 50 years shows that

• 00:58

  if you eat 500 fewer calories then Over time depending on what foods you're eating eventually your body will just burn 500 fewer calories So that's your basal metabolic rate the number of calories that your body is expending in one day So we see this in almost every single study.

• 01:17

  We've known about it for like 80 years at least.

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