Male infertility risk factors include alcohol use, toxins, medications, diseases, radiation, and advancing age.
Risk factors for male infertility include heavy alcohol use, drug abuse, cigarette smoking, exposure to environmental toxins like pesticides or lead, certain medications, serious diseases such as kidney disease, and exposure to radiation or chemotherapy for cancer. Advancing age is also a risk factor as male fertility peaks in the mid-twenties and declines after age 40.
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