Yohimbine may be nature's answer to the little blue pill.

育亨宾看起来是蓝色的小丸。

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But the little blue pill is a long way away from being approved to treat jet lag in humans.

ECONOMIST: Business travel

But now, for the second time in a little over a decade, a little blue pill comes to the rescue of humanity.

ECONOMIST: Business travel

However, researchers also report that the little blue pill improved sexual satisfaction and enhanced orgasms with few side effects for many men.

CNN: Study: Viagra doesn't work for every impotent man