Proteins are often said to act as building blocks for the lean tissues in our bodies. Still, they serve many other vital functions in body regulation, support immune function, and play a variety of other roles in our physiology. There are 20 types of amino acids needed to fulfill all of these functions, but only 9 of them are essential, meaning that our bodies can’t make enough of them – so we rely on getting these from our food. In general, animal sources of protein, like fish and eggs, provide all of the essential amino acids in high enough concentrations that these foods are called complete protein sources. In contrast, plant-based protein sources, like beans, lentils, nuts, and tofu, tend to be incomplete sources of protein.
A Sociocultural History of Obesity and the Western Diet
The human body runs on food. Where once, food shortage was the major concern, after the Second World War, technological advances in food production led to a new era that was characterized by an overabundance of inexpensive food and relatively little physical activity.
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Building Blocks
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Cooking
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Plates, Nutrition & Moderation
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Quiz
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