Kathmandu. Iron is one of the most essential minerals for the body. This mineral transports red blood cells to various parts of the body through hemoglobin. Iron also plays a major role in maintaining brain health. Iron deficiency can cause many problems in the body. Therefore, when the body needs iron, it expresses its need through various signs. In today's article, we will discuss 7 signs that show that the body is deficient in iron and needs iron.Fatigue even after sleep:Iron deficiency can cause fatigue even after sleep. It feels like sleep is incomplete or the body has run out of...