hormones affect our eyes هورمون ها و چشمان ما

What are hormones? Hormones are chemical messengers that control our body. You may have heard of hormones such as Thyroxine, Melatonin, Estrogen, Testosterone, Adrenaline and Insulin. Hormones are produced by glands found in our brain and throughout our bodies. Glands such as the thyroid, pituitary and pineal glands, as well as the testes and ovaries. The system of hormones and glands and how they work is referred to as the endocrine system.