Wednesday, November 7, 2018

What The Human Body Needs

Nutrients. The seven major classes of nutrients are carbohydrates,fats, fiber, mineralsproteinsvitamins, and water. These nutrient classes are categorized as either macronutrients or micronutrients(needed in small quantities).source


Called micronutrients because they are needed only in minuscule amounts, these substances are the “magic wands” that enable the body to produce enzymes, hormones and other substances essential for proper growth and development. As tiny as the amounts are, however, the consequences of their absence are severe. Iodine, vitamin A and iron are most important in global public health terms; their lack represents a major threat to the health and development of populations the world over, particularly children and pregnant women in low-income countries.

Micronutrient deficiencies

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