Name deficiency disease due to lack of calcium and iron?

The deficiency disease due to lack of calcium is called osteoporosis. It is a condition characterized by weak and brittle bones, making individuals more prone to fractures.

The deficiency disease due to lack of iron is called iron deficiency anemia. It is a condition characterized by a decrease in the number of red blood cells or a decrease in the amount of hemoglobin in the blood, leading to fatigue, weakness, and shortness of breath.