Exposure to heavily polluted air can damage sperm DNA
- From: "Tim Campbell" <timcall@xxxxxxxxxxxxx>
- Date: 28 Sep 2005 16:01:45 -0700
Turns out air pollution can make a man into a eunuch. Research
published this month in the journal Human Reproduction found that the
sperm quality of 35 men in Teplice, Czech Republic, diminished
significantly in the winter when more fossil fuels were burned and the
area's air pollution reached or exceeded the allowable limit for U.S.
cities. Impacts could include infertility, miscarriages, and birth
defects. But the sperm DNA recovered when air quality improved at other
times of the year. "This is the first real evidence that air pollution
can damage sperm DNA," said scientist Allan Pacey of the British
Fertility Society, "but it is reassuring that the effect is
reversible." Experts recommend that men attend to their overall health
if they're bent on procreation, but as it takes about three months to
produce mature sperm, hopeful dads-to-be should start cleaning up their
acts -- and breathing cleaner air -- well ahead of the moment of
conception.
straight to the source: BBC News, 27 Sep 2005
straight to the source: The Guardian, Alok Jha, 27 Sep 2005
.
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