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Vitamins, Health Supplements, Anti Aging Supplements: Life Extension Update 

Higher melatonin levels associated with lower risk of prostate cancer

Tuesday, January 21, 2014. The American Association for Cancer Research-Prostate Cancer Foundation Conference on Advances in Prostate Cancer Research, held January 18 to 21, 2014 in San Diego, was the site of a presentation by Sarah C. Markt, MPH, of Harvard School of Public Health's Department of Epidemiology, of the finding of a reduced risk of prostate cancer among men with higher levels of melatonin, a hormone known for its ability to induce sleep. Melatonin is released in response to darkness, and is involved in the regulation of the body's circadian rhythm.

The study included 928 men who were a part of the AGES-Reykjavik cohort in Iceland. Morning urinary samples were evaluated for 6-sulfatoxymelatonin at the beginning of the study in 2002 to 2006. Questionnaire responses provided information on sleep patterns and other factors.

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