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Protein is a nutrient needed by the human body for growth and maintenance. Aside from water, proteins are the most abundant kind of molecules in the body. Protein can be found in all cells of the body and is the major structural component of all cells in the body, especially muscle. This also includes body organs, hair and skin.
Why is protein important—and why is it so hot right now? Protein is one of the body’s three macronutrients: those your body needs in the largest amounts in order to perform. “We need it for ...
Newer research suggests that most adults have higher daily protein needs than that — about 1.3-1.8 grams per kilogram of body weight — and that the government’s recommendations are too low.
Early nutritional scientists such as the German Carl von Voit believed that protein was the most important nutrient for maintaining the structure of the body, because it was generally believed that "flesh makes flesh." [8] Around 1862, Karl Heinrich Ritthausen isolated the amino acid glutamic acid. [9]
While protein is important, all through the lifespan, and particularly as we age, myths and misinformation around this macronutrient are too common.
Proteins are the basis of many animal body structures (e.g. muscles, skin, and hair) and form the enzymes that control chemical reactions throughout the body. Each protein molecule is composed of amino acids which contain nitrogen and sometimes sulphur (these components are responsible for the distinctive smell of burning protein, such as the ...