Marijuana Research Offers New Hope For Male Birth Control Pill
The male birth control pill has lingered for years tantalizingly just out of reach, in the realm where rumor meets science. Recently developed hormonal and mechanical contraceptives never found an audience, serving only to highlight the absence of a male pill. Now, an examination of how smoking pot lowers fertility may make the male pill more than a persistent rumor. Writing in last week's issue of the journal Cell, University of California, San Francisco, researcher Yuriy Kirichok revealed a new link between bong hits, a protein called Hv1, and the ability of sperm to swim. Hv1 activates in alkaline environments, like the vagina. Kirichok's study showed that endocannabinoid anandamide, a chemical found in the kind bud, raises the testes' pH. In that raised-pH environment, sperm start swimming too early, and get too tired to reach the egg once they actually exit the body. A pill that contains anandamide, or in some...