This article examines the role of carbohydrates in human health and analyzes the physiological consequences of their deficiency and excess. It highlights that a lack of carbohydrates can lead to energy deficiency, reduced nervous system activity, ketosis, and other negative conditions. Furthermore, it substantiates the link between excessive carbohydrate intake and diseases such as obesity, insulin resistance, and diabetes mellitus. The article scientifically justifies the importance of moderate and balanced carbohydrate consumption.

carbohydrates, energy source, glucose, deficiency, excess, ketosis, hypoglycemia, obesity, insulin, diabetes mellitus, metabolism, healthy nutrition, brain function.

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