1. Iron is an essential trace element for human body. Iron is widely distributed in human body, and almost all tissues contain iron, which is a "building material" for human development. Iron is an important component of hemoglobin and an important element for transporting and exchanging oxygen in blood. Iron is a component of many enzymes and an activator of oxidoreductase. Iron deficiency can lead to the following diseases:
1, iron deficiency anemia
2. Hemolytic anemia
3. Aplastic anemia
Second, iodine deficiency can cause the following diseases:
1, endemic goiter
2. Endemic cretinism
It is characterized by mental retardation, deafness, growth retardation, short stature, neuromotor disorder and hypothyroidism.
Third, calcium.
Calcium deficiency can lead to the following diseases:
1, calcium deficiency in children can cause rickets and dysplasia;
2. Calcium deficiency in the elderly will cause osteoporosis and fracture easily.
Fourth, zinc.
Zinc deficiency can lead to the following diseases:
1, nutritional dwarfism
2, enterogenous limb dermatitis
3. Primary male infertility