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| | Facts about men's fertility on MedicineNet.com |
 | | As nature would have it, problems with infertility are equally due to male and female conditions. |
 | | Statistics suggest that 35 to 40 percent of the problems are caused by male conditions, another 35 to 40 percent by female conditions, and the last 20 to 30 percent a combination of the two, plus a small percentage of unknown causes. |
 | | Landscapers, contractors, manufacturing workers, and men who have regular contact with environmental toxins or poisons (pesticides, insecticides, lead, radiation, or heavy metals) are all at risk of infertility. |
| www.medicinenet.com /script/main/art.asp?articlekey=51101 (630 words) |
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