Why Do We Need Fats, Carbohydrates, and Proteins in our Diet?

By: Patrick Brown, 3rd year PhD candidate in the Biomedical Sciences Program

USDA

USDA

There are an endless number of diet plans available today that purport to be the answer to all of our weight loss needs.

Most of them are based on calorie restriction or minimizing intake of one of the major macromolecules found in food – fats, carbohydrates, and proteins. Probably the most famous example of this is the Atkins diet, which suggests you cut carbohydrates out of your diet and sustain yourself on protein and fat.

Although these diet systems have led to weight loss for many people, we should be careful about upsetting the balance of the macromolecules we ingest. After all, the body needs all of them to function properly.

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