Sperm counts in men from America, Europe, Australia and New Zealand have dropped by more than 50 percent in less than 40 years, researchers said on Tuesday.

In contrast, no significant decline was seen in South America, Asia and Africa. The researches noted, however, that far fewer studies have been conducted in these regions.

Lifestyle, foods, pollution, exposure to radioactive and new strands of mutated diseases.

Effects of masturbation

Not really, the link is in the access to the contraceptives in the rich states vs the poorer ones, am not saying i have "scientific proof" but i know, and there was a doctor mzee (gynecologist) on citizen t.v speaking very earnestly about the mess this contraceptives are, he was speaking from a long history as a gynecologist seeing the problems they have made, he was advising "traditional methods".

Her famous wazua fishmonger boyfriend is well known for vaseline, although we know he has now changed to diesel, viceroy and diesel!!!! He has long long infected her with the same mentality, she goes to work with a coke chupa in her handbag to buy him diesel everyday!!!!!.