Male fertility is facing a steady downfall. Unlike women, who are born with a finite number of eggs, men are continually producing sperm. According to the Male Fertility Study//, compiled by Norwich Union Healthcare, nearly one in 10 men may be suffering from infertility.
Some of the factors that may have an effect on male fertility are traffic pollution, laptops, mobile phones, tight pants and hot tubs, nappies, smoking, overeating, seafood, fast food and driving.
Blaming pollution as one of the causes of male infertility, scientists believe that nitrogen oxide and lead in exhaust fumes may be the culprits.
Scrotal hyperthermia has been identified as another risk factor for male infertility according to a study published in the February issue of the journal Human Reproduction. Scientists from the State University of New York at Stony Brook, Stony Brook New York found that laptops can reach internal operating temperatures of over 70o C, and as they are frequently placed close to the scrotum, may be the cause of infertility.
Scientist also discourage the use of tight pants and hot tubs as they can lead to overheating sperm-producing cells in testicles, which lowers sperm count.
And for the same reason, the plastic lining in disposable nappies may increase the temperature of the scrotum, reducing their sperm counts as adults.
Another study by French researchers found that even driving for two hours could raise testicle temperature by around 2o C, causing reduced fertility levels. Taking hourly breaks from the wheel for 10 minutes can minimize the damage.
A study from the University of Szeged in Hungary claimed mobile phones could lower sperm counts by up to a third because of the radiation they emit. Also, the ability of the sperm to swim properly was also found to be impaired, particularly among men who made long calls.
Smoking tobacco has been known earlier to reduce sperm count, impair Page: 1 2 Related medicine news :1
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