her er en nyhed man kan læse gennem min hjemmeside.
jeg har godtnok læst at hvis kvinder ryger under graviditeten formindskes risikoen for at sæden binder sig til æget og vi har vist alle sammen hørt/følt at sædkvaliteten falder når man ryger.
Heavy Smokers Have Better Fertility With Marijuana-like Compound
Christian Nordqvist
Medical News Today
Tuesday 24 Oct 2006
---
A compound which is similar to chemicals found in marijuana can help a
heavy smoker's sperm bind to eggs more effectively, said researchers
from Buffalo and Boston, at the Annual Meeting of the American Society
for Reproductive Medicine.
The same researchers had previously shown that most sperm of smokers
were significantly less able to bind to an egg, when compared to the
sperm of non-smokers. They wanted to find out whether treating a
smoker's sperm with a marijuana-like compound might improve sperm
binding. Human sperm have chemical receptors which respond to nicotine
and marijuana-like compounds (cannabinoids).
This study involved eight volunteers - they were all heavy smokers. Four
of them had normal sperm function, while the other four had reduced
sperm function. Some of their sperm was washed in a regular medium and
some was washed in a a low-concentration cannabinoid solution.
They found that the sperm of the smokers who had reduced sperm function
improved significantly after being washed in the low-concentration
cannabinoid solution, while the sperm of the smokers with normal
function did not.
When the researchers used a solution with a higher concentration of
cannabinoid, both groups had improved sperm function.
Craig Niederberger, MD, President of the Society for Male Reproduction
and Urology (SMRU) said, "Numerous studies have shown that tobacco
smoking is harmful to parents, and to their unborn and living children.
It is important to note that in this study, sperm were washed with the
active chemical in marijuana, as it is also known that smoking or taking
marijuana in other ways harms a man's fertility. But the best way to
improve a smoker's overall health, his fertility, and the health of his
family is to help him quit smoking."
"Fertility loss in the sperm of tobacco smokers may be reversed after
washing with a cannabinoid agonist"
L. J. Burkman, S. Tambar, A. Makriyannis, M. Bodziak, R. Mroz, B. Telesz
HIGHLIGHTS from the 62nd ANNUAL MEETING AMERICAN SOCIETY FOR
REPRODUCTIVE MEDICINE
http://www.medicalnewstoday.com/healthn ... wsid=54867--
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