Cannabis 'Damages Male Fertility'

Discussion in 'Marijuana News' started by Superjoint, Apr 4, 2004.

  1. Cannabis was reclassified as a class C drug
    Source: BBC News

    Men who smoke cannabis could be damaging their fertility, research carried out by Queen's University Belfast has suggested. The study by the university's Reproductive Medicine Research Group examined the direct effects on sperm function of THC, the active ingredient in cannabis.
    The group found that THC made sperm less likely to reach the egg to fertilise it. They also discovered that the presence of cannabis impaired another crucial function of sperm - the ability to digest the egg's protective coat with enzymes to aid its penetration.

    The government reclassified cannabis to a class C drug in January, putting it on a par with tranquilisers.

    'Informed choice'

    Dr Sheena Lewis, from the university's Department of Obstetrics and Gynaecology, said on Wednesday that the recent reclassification of cannabis made research on its effects more important.

    "The need to determine its effects on male fertility is even greater, so that men can make an informed choice about smoking the drug based on its risks to their health," she said.

    The idea for the study came after researchers looking at the lifestyle habits of infertile men noticed that many men attending infertility clinics at Belfast's Royal Maternity Hospital were regular cannabis users.

    Dr Lewis told delegates at the British Fertility Society's annual meeting in Cheltenham that recent experiments on sea urchin sperm suggested that cannabis may be a major cause of infertility.

    "These experiments on human sperm tell the same story," she said.

    One in six couples in the UK are affected by infertility, with 40% of these cases due to problems with sperm.

    Dr Lewis said: "It is estimated that 3.2m people in Britain smoke cannabis, and that figure may now increase.

    "Add the two together and we may find that the use of recreational drugs will exacerbate male fertility problems."

    Source: BBC News (UK Web)
    Published: Wednesday, March 31, 2004
    Copyright: 2004 BBC
  2. yeah, that reminds me of a joke conan o'brian said

    "Scientists have provin that marijuana affects the males sperm, after leaving the male they travelled to the egg were they stopped to eat and play video games"
  3. If they found out the same information about any number of legal drugs they'd be trying to find ways to use it as a contraceptive. But it's pot so it's bad.
  4. but do you regain fertility after you stop smoking for a while?
  5. Right on, I need to smoke more so I dont have to wear this blasted rubber...
  6. know what else causes infertility?



    man, my sperm must be just dead. i smoke the ganja and i had radiation to my sack for transplant. suckky

    stay SOLID.


  7. are you kidding me?? :D pot accouding to about 80% of the people i know who smoke it makes u horney as hell :) truthfully... so i dont see that being done any time soon :D

    thanks for careing RicH ill sure try :D
  8. I don't understand your point Schrananapuss, a contraceptive is something designed to avoid impregnation, it doesn't matter if it makes you horny or not.
  9. yer it may cause infertilization......... but hey my bros been smokin weed for like 15 - 20 years hey is now a father of a baby girl and his girl friend is pregnant again?????
  10. um.... im so baked right now, i dont even know.

    i forgot. oops
  11. hell ya man more fun for us unless you want to get the girl pregnate what young guy does?

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