Carbohydrates are one of the three macronutrients (along with proteins and fats) that are essential for a healthy diet. They are made up of carbon, hydrogen, and oxygen atoms and are classified into three categories: monosaccharides, disaccharides, and polysaccharides.

Monosaccharides are the simplest form of carbohydrates and include glucose, fructose, and galactose. They are the building blocks of other carbohydrates.

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