Question

How are deficiency diseases caused in human being? Briefly explain the ​

Answer 1

Answer:

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Explanation:

just a brain is present today

Answer 2

Explanation:

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.