What is the role of Melatonin hormone?
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Melatonin is a hormone secreted by the pineal gland in the brain. It helps regulate otherhormones and maintains the body's circadian rhythm. The circadian rhythm is an internal 24-hour "clock" that plays a critical role in when we fall asleep and when we wake up.
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In animals, melatonin is involved in the entrainment (synchronization) of the circadian rhythms including sleep-wake timing, blood pressure regulation, seasonal reproduction, and many others. Many of its biological effects in animals are produced through activation of melatonin receptors, while others are due to its role as an antioxidant,with a particular role in the protection of nuclear and mitochondrial DNA.
As a medicine, it is used for the treatment of insomnia; however, scientific evidence is insufficient to demonstrate a benefit in this area. Melatonin is sold over the counter in the United States, Canada and some European countries. In other countries, it may require a prescription or it may be unavailable
As a medicine, it is used for the treatment of insomnia; however, scientific evidence is insufficient to demonstrate a benefit in this area. Melatonin is sold over the counter in the United States, Canada and some European countries. In other countries, it may require a prescription or it may be unavailable
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