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- Light therapy might increase a man’s testosterone levels and, in turn, his sexual satisfaction, according to new research.
- Past research suggests that sexual interest can wax and wane with the passing of seasons.y: Lack of Sex Interest Successfully Treated by Light
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The scientists discovered that the men who received active light treatment saw their testosterone levels increase and their sexual satisfaction improve. It was unclear why the therapy worked, but the researchers theorized that the light inhibited the pineal gland, thus increasing testosterone production and triggering other hormonal processes. The findings were presented at a meeting of the European College of Neuropychopharmacology (ECNP) in Vienna.

