By pooling the results of three studies, the Rome-based organisation concluded that more than 33 percent of men between 18 and 20 years old suffer from a sever loss of sperm to such urban factors as pollution and smoking.
The study was financed by the Italian Health Ministry.
City life also promotes a sedentary lifestyle and obesity, also negatively impacts sperm count, according to SIAMS.
"It's worth reminding youth because they are completely ignorant about the risk to fertility," SIAMS said.
©2011 Adnkronos International (Rome)
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