Studies find new links between sleep duration and depression

Studies find new links between sleep duration and depression

A genetic study of adult twins and a community-based study of adolescents both report novel links between sleep duration and depression. The studies are published in the February 1 issue of the journal Sleep.

"Healthy sleep is a necessity for physical,

Melatonin may lower prostate cancer risk

Melatonin may lower prostate cancer risk

Higher levels of melatonin, a hormone involved in the sleep-wake cycle, may suggest decreased risk for developing advanced prostate cancer, according to results presented here at the AACR-Prostate Cancer Foundation Conference on Advances in Prostate Cancer Research,