Describe a condition of interest that involves one of these vitamins or minerals. What are some food sources that could be incorporated into the diet to help prevent the condition?

Vitamin D, calcium, and iron deficiencies Vitamin D, calcium, and iron deficiencies are linked to a number of common conditions. Describe a condition of interest that involves one of these vitamins or minerals. What are some food sources that could be incorporated into the diet to help prevent the condition?