1. Dwarfism: People become dwarfs if they do not secrete adequate amount of growth hormone during childhood
2. Gigantism: If an excess amount of growth hormone is secreted during childhood before bone formation, people become gigantic.
3. Gorillaness: When an excess amount of growth hormone is secreted in old age, the bones of the human hand and face grow abnormally and take the shape of a gorilla.
4. Cushing’s syndrome: Excess fat deposits on the face, neck and buttocks due to overactivity of the adrenal cortex. This condition is called Cushing’s syndrome.
5. Cretinism: Cretinism is caused by underactive thyroid gland. In this, the child becomes chubby, slender and strong. The child is delayed in teething, talking and standing. The child’s inertia and stupidity can be seen on the face. Saliva discharge from the mouth and the stomach is enlarged.
6. Myxedema: Lack of thyroxine hormone causes myxedema. This disease causes fatigue and drowsiness. Hair falls out, skin becomes scaly and the face swells. The voice is croaky like a frog.
7. Gout: Excess thyroxine hormone causes gout. Excitement, insomnia, roughness, irritable mood and emotional tendencies occur in this disease.
8. Tetanus: Tetanus occurs due to lack of parathormone. In this disease, muscle contraction occurs rapidly, the wrist and thumb bend.
9. Diabetes: Lack of insulin hormone causes diabetes. In this disease, the amount of glucose in the blood decreases and there is frequent urination. Hunger and thirst increase. The patient becomes weak and exhausted.