A saying goes, a difference between a healthy persons success and others is not lacking of strength and knowledge, but a lack of will, same goes from being healthy. Just like caring of your health, and a regular exercise. One organ and gland, not having a list in the priorities you have made is the pituitary. The Master gland that plays important role in growth, and metabolism, and the production of hgh (human growth hormone). The moment you are experiencing headaches, fatigues, problems of vision, sexual disorders, seizures and sensory problems, that is the time you need consulting of professional.