Do you burn more calories exercising in the cold? Here's what the science says. - Deepstash
Do you burn more calories exercising in the cold? Here's what the science says.

Do you burn more calories exercising in the cold? Here's what the science says.

Curated from: vox.com

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Thermogenesis

Thermogenesis

A cold body uses more energy to keep itself warm than a warm body.

When we are cold, we shiver — the muscles involuntary contract to generate warmth. The body may also activate "brown fat", a kind of fat tissue whose primary function is heat production. Brown fat burns calories to generate heat. 

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Exercise and heat

The processes of thermogenesis only kick in to keep you warm when you are truly cold. Exercising alone may generate enough heat that your body wouldn't burn any extra calories through shivering and brown fat.

The best way to use the cold to burn more calories would be not to exercise while you're outdoors or to exercise in light enough clothes in subzero temperatures.

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Physical activity and energy burn

Physical activity only makes up a small portion of your total energy burn. Percentages of calories you burn off in a day:

  • 60%- 80% account for energy used for basic functioning when the body is at rest.
  • 10% of energy is used to break down food.
  • 10% - 30% of energy is used during physical activity, of which exercise is only a subset.
  • Thermogenesis accounts for less than 10% of your total energy expenditure.

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Technology helps but it doesn't solve everything. I want to understand my own body.

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