It can be inferred from the passage that which of the following discoveries was made during the first era in the history of nutrition? A. Certain foods were found to be harmful to good hea
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It can be inferred from the passage that which of the following discoveries was made during the first era in the history of nutrition?
Certain foods were found to be harmful to good health.
Vitamins were synthesized from foods.
Effective techniques of weight loss were determined.
Protein was recognized as an essential component of diet.