Light Therapy & Health
Your Biologic Clock Your Biologic Clock keeps our body rhythms and sleep –wake cycles in synch with the light-day cycle of the earth. It is located in the suprachiasmatic nucleus (SCN) in the hormone control center of the brain, the hypothalamus. When light enters the eye, it activates this part of the brain and reduces production of the sleep hormone (melatonin) produced in the pineal gland of the brain. ...
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