http://www.iflscience.com/health-and-medicine/marijuana-may-affect-fertility-young-men


Marijuana May Affect Fertility of Young Men
www.iflscience.com
Around 40% of infertility cases are due to problems with the size, shape, motility, and/or count of the man’s sperm. A recent study seeking to explore lifestyle factors that may influence sperm morphology discovered that young men who smoked marijuana were more likely lower amounts of normally-shape…