Question

In the united states, _____ deficiency is the most common nutritional deficiency.

Answer 1

In united states. Iron deficiency is the most common nutritional deficiency.
Iron deficiency is actually really easy to obtain since it's contained by a lot variation of Green Vegetables.
But in recent years, Average people's diets are focused on high-carbs and high-fat food which do not contain any form of iron in it.