Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . Furthermore, the average volume of semen diminished from 3.4 ml to 2.75 ml, a 20 percent loss since 1940. Thus the average man has lost 53 percent of sperm production since 1940. The researchers examined the possibility that sperm counting methods have changed during the past 50 years, or that racial or geographic factors might be at work. After careful analysis, they concluded that the diminished sperm count in men is real, is widespread throughout the industrialized western world, and affects men of all races.