Sharpe cites one study showing that men who ate the most saturated fat in their diets had 43% lower sperm counts
than men who ate the least.
Saturated fats, like those found in rich cheeses and meats, may do more than weigh men down after a meal - a Danish study also links them to dwindling sperm counts
Laura Witjens, chairwoman of the charity, said: "As our research shows, men view their sperm count
and ability to have children as crucially important in life, and the new campaign we're launching -Have You Got the Balls?
The IVF clinic in Cambridge found men attending treatments after the summer sometimes have a lower sperm count
than at other times of the year.
But some experts say the contraceptive will never be widely used unless men can be sure that once they stop taking it, their sperm counts
will return to normal.
Aside from the flaws in Jack's business plan - who's going to want to be the last in a line of six lesbians having unprotected sex in a marathon fertility session (low sperm count
, higher chance of infectious disease)?
CNN, Sperm count
, cell phone link dismissed,June 28, 2004,<http:// www.
While it can make conception difficult Dr Lewis-Jones em phasises that having a low sperm count
does not automatically rule out the chances of having a natural pregnancy.
They found that the average sperm count
of those men with a "normal" concentration - defined as over 20 million sperm per millilitre - fell from 87 million/ml to 62 million/ml over 14 years - a drop of 29pc.
In 2002, when the study appeared in the peer-reviewed journal Environmental Health Perspectives, Swan reported that men in rural Boone County, Missouri had a 42 percent lower sperm count
than their counterparts in urban Minneapolis.
These results suggest that contaminants present in the environment may lead to a deterioration of sperm count
, motility (ability to move), and fertilizing ability.
CHICAGO -- Compared with noncyclists, roughly 90% of mountain bikers who logged 3,000 miles or more a year had lower sperm count
, decreased sperm motility, and scrotal abnormalities, Dr.