Recreational marijuana use is becoming increasingly legal across the U. Lastly, read our Terms and Conditions and Privacy Policy. It may reduce sperm count. No other lifestyle factors, such as alcohol and smoking, were seen to have an effect. Cannabis and sunshine may damage sperm quality Thursday 5 June Motility refers to the ability of sperm cells to 'swim' efficiently to find and penetrate the egg.
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5 Things to Know About Marijuana Use and Your Fertility

The findings held even after the researchers took into account some factors that could have affected sperm concentration, such as age, cigarette smoking and alcohol use. It has also found that normal-shaped sperm are more likely to be produced after six days of abstinence. Vij said she applauded the study authors for looking at this question, since it is a topic that needs more research. As recreational marijuana is legalized in more and more places, marijuana use is likely to go up — especially among people of reproductive age. This makes sense since marijuana enthusiasts such as Shawn Kemp has seven kids, Mike Tyson has seven kids, Bob Marley has 11 kids, and Antonio Cromartie has 14 kids. The study also found that pot smokers had changes in their sperm genetic profile that, in other studies, have been associated with abnormal growth and cancer. This places the younger men at a significant disadvantage, as sperm quality is expected to decrease naturally with age.
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BBC NEWS | Health | Marijuana smoking damages sperm

Sperm take about 70 days to mature and then, if not ejaculated, will die shortly after that and be reabsorbed into the body. MEN who smoke marijuana have been shown to have decreased fertility, specifically those who smoke several joints per day. But how do you know when use becomes abuse? Please don't use the comments to advertise. This is definitely not the case. Men generate new sperm daily. They were asked to abstain from ejaculation for three to five days and then returned to the clinic.
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Terms under which this service is provided to you. A new study conducted by scientists at Harvard University was published in the journal Human Reproduction. Cigarette smoking has been shown for decades in multiple scientific studies to reduce both male and female fertility levels and alter the DNA of sperm. The effect was greater in men aged 30 or less OR 1. Can Marijuana Kill You? Research continues, as does the debate of the exact effect of marijuana on sperm and fertility.
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Smoking marijuana reduces sperm motility

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