About a decade ago, patients started coming to Dr. Alexander Pastuszak with a question that has only become more common since then: Would smoking weed make it more difficult for them to have children? Pastuszak, an expert in male fertility but not a cannabis user, knew that laws and norms around marijuana were being relaxed across the country, and that many men were comfortable discussing their drug use with their physicians. He just didn’t have anything concrete to tell them.
https://www.seattletimes.com/nation-world/your-weed-habit-may-be-messing-with-your-sperm/
