Stoner dudes with tits might want to take a breather from smoking pot. According to experts, marijuana could be causing a hormonal imbalance leading to excessive breast tissue. Total buzzkill.
Man boobs, or gynecomastia, is the result of an abnormal development of mammary glands, due to a hormonal imbalance that "tips in favor of estrogen." It's apparently a growing problem, with the number of men getting surgery to correct the condition spiking by 30% between 2011 and 2012.