Study: Men perform better in bed when put under the spotlight

Exposure to bright light – similar to daylight – boosts levels of the male hormone testosterone and can triple sexual satisfaction, the new research found.

Low sexual desire affects significant numbers of men after the age of 40.

According to some studies, up to a quarter of men report problems depending on age and other factors.

Because sexual interest varies with the seasons, scientists have suspected that it might be influenced by ambient light levels.