Excessive eating and slowed metabolism

Calorie reduction theory

We have to change our thought process slightly. Few beliefs are coming with us from almost primitive times. One of those is “Calorie reduction theory”. Studies repeatedly proved it did not lead to permanent weight loss. We always gain back our lost weight. 

Calorie In – Calorie Out = Body Fat

This leads to only short term weight loss, but not for the long term.

Let’s take an analogy;

Consider the money that you earn in an year(money in) and the money that you spend (money out). Suppose you normally earn Rs1,00,000 per year. If money In is now reduced to Rs 25,000 per year, what would happen to money out? Would you continue to spend Rs 1,00,000 per year? Obviously you would not, as you’d quickly become bankrupt. Instead you would reduce your money Out to 25,000 per year to balance the budget. Money In and Money Out are dependent variables, since reduction of one will directly cause the reduction of other.

 Lets apply this reasoning to obesity. Reducing calories In works only if calories Out remains stable. What we find instead is that a sudden reduction in calories In causes a similar reduction in Calories Out, and weight is lost as the body balances its energy budget. 

Hence The Calorie Reduction Theory is as useful as a half built bridge.

What causes weight gain??? Contending theories abound,

Like calories, sugar, refined carbohydrates, food reward, food addiction, stress………

All theories contain some elements of truth.

There is no clear, focused, unified theory of obesity. There is no framework for understanding weight gain and weight loss. This lack impedes progress in research to build the Hormonal Obesity Theory.

Obesity is a hormonal dysregulation of fat mass. The body maintains a body set weight, much like a thermostat in a house. When the body set weight is too high obesity results. If our current weight is below our body set weigh, our body, by stimulating hunger and /or decreasing metabolism, will try to gain weight to reach that body set weight. Thus, excessive eating and slowed metabolism are the result rather than the cause of obesity.

But what caused our body set weight to be so high in the first place….what is this hormonal dysreglation theory…?

That I will explain in my next write-up….so stay tuned

About the author

Anju Rai Tiwary

Hi, I am a physiotherapist specialized in neurology. I have also done various certification courses like autism spectrum disorder and weight management. I am here to clarify your health-related curiosities.


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  • Hi Anju,

    Thanks for sharing the article on Weight managment. You should burn more calories than you take in order to stay slim, and fit. But, what to do when your body has not much fat, but your belly has some fat. In that case what can be done so that body don’t get slimmer but belly fat goes away? What could be the ideal way of losing belly fat yet maintain the overall body fat(Which is already in control.)?

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