Question

why do deficiency diseases occur?
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Answer 1

Answer:

The main causes of nutritional deficiencies include a poor diet that lacks essential nutrients, a disease or medication that impairs absorption, or both. The body is able to store some nutrients, so a deficiency may not be caught until the body has been without the nutrient for some time.

Answer 2

Explanation:

The main cause of nutritional deficiencies include a poor diet that lacks essential nutrients , a dieseas or medication that impairs absorption or both . The body is able to store some nutrition so a deficiencies may not be caught until the bady has been without the nutrition for same time .

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