"If you’re a cannabis user and you’re trying for a baby ... stop."
posted: Jun. 07, 2014.
According to Dr. Allan Pacey, lead author of a recent study published in the journal Human Reproduction, "Cannabis affects one of the processes involved in determining size and shape [of sperm]. And we also know that the way cannabis is metabolized is different in fertile and infertile men."
1/2 of your future child's 46 chromosomes come directly from the father. Just like women, the food you eat, the air you breathe, the water you drink and the extracurricular alcohol and drugs you put into your body all affect your fertility.