Men exposed to bright light therapy can receive a testosterone level boost that can lead to greater sexual satisfaction then those with a lower sex drive, according to a study presented by University of Siena in Italy at ECNP conference in Vienna.

The potential of light as a non-invasive, highly-focused alternative to pain medication was made more apparent thanks to research conducted by scientists at the Montreal Neurological Institute and Hospital of McGill University and the McGill University Health Center.