Stanford University researchers say infertility may put some men at higher risk of developing brain, prostrate and testicular tumors as well as melanoma and lymphoma.
In a study of 2,238 infertile men around age 35 undergoing treatment at Baylor College of Medicine, Houston between 1989 & 2009, 451 are azoospermia (no sperm in their ejaculate due to blockages in their reproductive tracts).
Among these participants, 29 developed cancer during the study period with the highest rates occurring among men with azoospermia.
Dr. Michael Eisenberg, Assistant Professor of urology of Stanford Hospital & Clinics concludes that, "there is evidence that infertility may be a barometer for men's overall health". If that is the case, then azoospermia in particular could be an early warning for young men who might be at higher risk of developing cancers.
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