Metabolism

Metabolism

It refers to the thousands of chemical reactions that turn what we eat and drink into fuel in every cell of the body. These reactions change in response to our environments and behaviors, and in ways we have little control over. 

Metabolism is not a single thing that can be calibrated with “metabolism boosters” like chili peppers or coffee, or by following special diets.

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  • A caloric deficit leads us to unknowingly compensate by eating more.
  • For some, crash dieting can permanently slow their metabolic rate, leading to longer calorie retention.
  • Bodies don’t burn more body fat while on a high-fat and low-carb ketogenic diet, compared to a higher-carb diet.
  • Many underestimate their calorie intake and blame genetics.
  • “Slow metabolism” isn’t a major cause of obesity, and no product will speed your metabolism up in a way that will lead to substantial slimming.
  • Lean muscle and fat tissue in the body, age, and genetics, among others, influence the metabolic rate.
  • Women tend to burn fewer calories than men.
  • Basal metabolism is the energy our body needs to keep our cells working and accounts for 65-80% of most adults' caloric consumption.
  • The thermic effect of food is the energy our body uses to process food and accounts for 10% of most adults' caloric consumption.
  • Physical activity accounts for 10 - 30 % of most people’s caloric consumption .
Controlling Your Own Weight

Not everyone overeats and becomes overweight, and not everyone who becomes overweight or obese develops illnesses like diabetes or heart disease. 

There was never a special diet, exercise regimen, or supplement that worked universally to control weight. Through trial and error, we have to discover habits and routines we can stick with that help us eat less and move more. 

  • A diet that universally leads to healthy weight loss.
  • Why two people with the same size and body composition have different metabolic rates.
  • Why some ethnic groups — African Americans, South Asians — have a higher risk of developing metabolic disorders like diabetes.
  • How the brain knows what the body weighs
  • The mechanism that controls our metabolic rate.

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Your metabolism

It is in every cell in your body. It refers to a series of chemical processes in each cell that turn the calories you eat into fuel to keep you alive.

The body's major organs — the brain, liver, kidneys, and heart — account for about half of the energy burned at rest, while fat, the digestive system, and especially the body's muscles account for the rest.

Eating food increases your metabolism for a while because extra calories are required to process your meal. This is called the thermic effect of food (TEF).

Protein increases your metabolic rate by 15-30%, carbs by 5-10% and 0-3% for fats. Eating protein makes you feel full and prevent overeating.

Understanding Metabolism

Metabolism is the chemical reactions that are needed in our bodies to maintain life as an organism.

It helps convert food into energy, breaking down food into building blocks for various elements, and to eliminate nitrogenous wastes from the body.

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