Controlling the way that sperm swim may be the key to new male contraceptives. Researchers at University of California, San Francisco have discovered the chemical change that can start sperm swimming.
By adjusting the level of anandamine, a naturally occurring chemical, the timing and speed for swimming sperm may be controllable. If scientists can come up with the right chemical combo, one that isn’t toxic to other bits of human function, they may be able to prevent sperm from penetrating eggs and they may be able to help sluggish sperm get their mojos working.
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