Sleep Hormone Lowers Risk of Prostate Cancer

A recent study presented on January 19, 2014 at the American Association of Cancer Research Conference on Advances in Prostate Cancer Research in San Diego revealed that Melatonin, the so-called sleep hormone, could help lower the risks of prostate cancer.

Melatonin has a role in regulating hormones that could eventually influence cancer growth. This has been shown by a test-tube study where melatonin help slow and even stop the growth of cancer cells.


Melatonin, by far, is a hormone produced by the pineal gland in the brain during sleep at night. The hormone rises during the night, hence promoting sleep and falls in the morning, promoting wakefulness.

However, for people who experiences irregular sleeping schedules or a shifting work hours affecting thier sleep, the normal circadian rhythm is also disrupted producing less melatonin production.

How the research was done is that the researchers collected urine samples of the participants and 111 men were diagnosed with prostate cancer and 24 had advanced stage disease. The researchers also found out that men with low levels of melatonin, lower than the midpoint of 17.1 nanograms per milliliter heid a higher risk of developing the disease

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