Blue balls is a condition often described by sexually frustrated dudes as a painful tingling in the balls accompanied by a slight blue tinge of the scrotum skin. It’s caused (or at least claimed to be caused) by a buildup of unreleased semen. But is there any truth there, or is it a tall tale concocted by guys who just really, really want to get laid? Dr. Paul Turek, MD, a board-certified men’s health and fertility urologist, answers all your questions.

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