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Trickle is a community of lifelong learners where you can discover curated insights and share your own knowledge

Trickle is a community of lifelong learners to discover and share knowledge

How it works
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What is Trickle?

Trickle is a community of lifelong learners where you can discover curated insights and share your own knowledge.

HOW IT WORKS

Diet has a bigger impact on weight loss than exercise

Chapter 4 Myth 3: Eating less and exercising more is an effective way of losing weight

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It is said that you can’t outrun a bad diet. Food accounts for 100% of the calories we consume. By contrast, deliberate exercise only accounts for about 10-30% of the energy the body uses. Energy expenditure has three main components:

  • Basal Metabolic Rate : 60-80% of expenditure is used for the basic functioning of the body at rest (breathing, thinking, digesting, etc.)
  • Digestion : 10% of the energy expended is for breaking down food, which is called the thermic effect of food
  • Physical Activity: 10-30% of energy expenditure is from physical activity

You may be better off trying to lose weight by thinking hard, as our brains are responsible for 25% of our energy expenditure despite accounting for only 2% of our body weight.

These images show the components of the metabolism and the theory that there is a constrained amount of energy that can be used up by physical exercise:

Physical activity is only a small proportion of the energy we expend

Total energy expenditure may plateau despite an increase in physical activity

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