4:20 .was a hype a few days ago. Its basically a day set aside to praise marijuana for its supposed health benefits .But why do we turn a blind eye to the harm it does .Let’s talk about fertilisation .yes marijuana does affect your little swimmers .A study carried out by the university of buffalo showed that sperms of marijuana users move too fast too early thus making it hard to fertilise .From the study,both the volume and total number of sperms from marijuana users was significantly less than for fertile men. The next time you celebrate the so called 4:20 please have all the facts