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Scientists have found that putting testosterone on the skin of young men makes them horny.

Testosterone is a hormone that plays a key role in libido, as well as many other biological functions, and men with higher testosterone levels have been found to be more risk-taking. The scientists from China and Switzerland wanted to better understand how testosterone affects sex drive and sexual impulse.

A group of 140 healthy young men, all between the ages of 18 and 26 years, were studied in an experiment.

The participants were split into two groups, one that received a placebo and the other that received a single dose of testosterone. The participants were told to complete 60 trials.

There was an image of a nude woman in each trial. They were given three options.

  • Wait one second to view the picture, only to see if for one second.
  • Wait for three to 15 seconds, and be rewarded with a three-second viewing time.

The scientists found that those who received the placebo chose to wait a bit longer in order to get a longer reward.

Those in the testosterone group, what do you think? The finding supports the idea that testosterone doesn't just boost young men's sex drive, but puts the pedal to the metal. There was no inherent difference in impulsivity between the two groups before the testosterone dose was applied.

Nude images are a secondary sexual reward, so the results are not shocking. The scientists don't know how testosterone-laden young men will react when given the chance to have sex. According to Psy Post, participants' baseline testosterone levels were unclear, as were their relationship statuses, both of which could affect behavior in the trials.

The results are intriguing, and will hopefully lead to further studies in sexual impulsivity. Keep an eye out for those future studies of horny young heterosexual men. You could be paid to look at pictures of naked women.

Scientists have a way to increase sex in long-term relationships.