It’s kind of amazing how body parts that are nowhere near the penis can play an important role in the physiology of an erection. For example, an erect penis doesn’t come about simply because an attractive person strokes it (although that also is part of the process). Instead, a tiny little organ called the hypothalamus can play a big part in turning a soft member into a healthily erect penis at the appropriate time.

A brain part

The hypothalamus is a small part of the brain that play...


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