Experts fret over dwindling sperm counts

High rates of testicular cancer and exposure to endocrine-disrupting chemicals may be to blame

Male fertility is in a downward spiral with data showing sperm concentration has dropped by 52% among men in the developed world in recent decades.

sperm count

However, no one seems to know exactly why.

Research by Professor Niels Skakkebaek from the University of Copenhagen suggests that a deterioration in sperm quality should be interpreted alongside trends in testicular cancers.

As he reports in the BMJ, countries with a high incidence of this cancer have generally lower semen quality and vice versa.

Worryingly, incidence of this cancer has risen substantially over

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