A new study suggests that the sperm count in French males between the age of 17 and 70 has dropped by 32.3 % in the 16-year period between 1989 and 2005. The reasons are not yet clear, but changed diet, chemical exposure and environment impact are likely reasons.
Is this how nature deals with overpopulation ;-)
http://www.bbc.co.uk/news/health-20593467
“…
There has much been debate in the past 20 years over whether sperm quality has decreased, with research supporting both sides of the controversy. This latest research adds weight to the numerous European studies that suggest one in five young men has a sperm count low enough to impair fertility.
Prof Richard Sharpe, from the University of Edinburgh, said: "Something in our modern lifestyle, diet or environment like chemical exposure, is causing this.
"We still do not know which are the most important factors, but perhaps the most likely is a combination, a double whammy of changes, such as a high-fat diet combined with increased environmental chemical exposures."
…”
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