Androstanes

Apostolos Gletsos, a candidate for SYRIZA leadership, raised eyebrows on Wednesday suggesting that brothels in Greece should bring in sex workers from migrants' countries of origin to address their "testosterone" levels, arguing that without such outlets, young male migrants might turn violent.

Just hours after his triumph at the Cincinnati Masters, which he won with ease, it was announced that Jannik Sinner had tested positive for doping.

The ITIA (International Tennis Integrity Unit) revealed that the Italian tennis player, who is currently ranked No. 1 in the world, tested positive twice for clostebol after a doping test in March but was never penalized.

Despite undergoing testosterone suppressing therapy

Tres said he didn’t want to increase estrogen levels or lower testosterone any further, in order to qualify for the next Olympics

Three members of the national swimming team tested positive for doping. According to NOVA sources, the three athelets caught using banned preparations are Zdravko Bablakov, Svetlozar Nikolov and Blagoy Panayotov. The three don't have quotas for the Olympics.

Caster Semenya will bid to move the spotlight from new IAAF rules for female athletes who have high testosterone levels firmly back to the track as the Diamond League gets under way in Doha on May 4.

Higher testosterone levels can boost the male sex drive, and exercise has been shown to raise testosterone levels. But new research suggests too much working out can have a negative effect on the male libido.

Testosterone is often referred to as the “male sex hormone” because although women have a small amount of testosterone in their bodies, men’s levels are far greater. Its primary function is to ignite the male sex drive and to produce sperm.