For more than a century, many scientists contributed to the discovery of vitamins, including (from left) Gerardus Johannis Mulder, Kanehiro Takaki, and Christiaan Eijkman.
2024-05-10 874词 中等
Though humans have always understood there’s a connection between diet and health, it took thousands of years for modern nutrition research—bolstered by advances in chemistry, physics, and biology—to emerge. Early nutrition experiments focused largely on the element nitrogen, first discovered in 1772, and whether its presence or absence in foods caused animals and humans to be healthy or sick.
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