Coming up on today's show.

So we think that weight gain, weight loss is all about the individual, about willpower,

and about calories.

That's almost all wrong.

Your body regulates body fat, sort of like a thermostat.

So if your body wants to be at a certain body fat percentage, if you get too fat, you're

actually going to turn down your hunger until you lose

that weight. If you lose weight, your body activates hunger and tries to push it back up. The body

fat percentage is set at a certain level. You take somebody who's 160 pounds. You put them in an

experiment where you force feed them, make them gain 20 pounds. Once you stop the experiment,

so their weight's gone experiment, so their weights

gone up, but their body fat thermostats down here still, they will actually eat very, very

little for like weeks until their body comes back to normal. But it's effortless because it's

the hunger that's the problem and because their body fat thermostat, which is controlled by all

these hormones. Certain things push it up and certain things push it down. So you want to control those hormones. Just telling somebody to eat fewer calories

is just such a disastrously incorrect advice. It's the don't drink so much alcohol advice to the

alcoholic. Help nobody ever yet. Don't eat so many calories is like the height of scientific

understanding. Like no no no

that's horribly simplistic it's quite incorrect Jason when it comes to weight loss you emphasize

we need to be focusing on hunger instead of calories talk about Yeah, it's really trying to understand eating behavior

at a deeper level. So, you know, as I talked about in the obesity code, hunger is calories

are not everything. However, the other thing is if you do think about calories, like we're eating

...