This calories in, out model doesn't work at all. If you're trying to lose weight, what you need to do is Dr. Jason,

the founder of intermittent fasting whose influential work could be the key to a healthier and even longer life.

Every continent is seeing this increase in obesity, but we put the blame on the individual.

The problem is there something wrong with the message we're giving people and I can go over a few examples

First of all exercise is really good in a number of ways, but in terms of weight loss

It's actually very very, very small effect.

The whole idea that you need to eat as soon as you get up is just false.

We know that I'm twin studies that 70% of your risk of becoming obese is due to genetics, but it doesn't explain why the population

became much more obese. And we know that you can't cure obesity by saying, eat fewer calories.

It's about fixing the hormones that are behind the calories.

If you want to lose body fat,

you actually need to extend the period of time

that you're not eating,

so you do some intermittent fasting.

There's all this data showing that fasting activates the body,

it increases your energy and your concentration.

A treatment available to everybody for free

and it will be healthier for us.

So I need some advice then.

What does your fast look like?

What food should I be giving my body and in what proportion?

The first thing you got to do is...

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