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Tracy Hampton, PhD

JAMA. 2005;294:2829-2831.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Montreal, Quebec—While women hoping to conceive are often reminded of the relentless ticking of their biological clock and the declining quality of their eggs as they age, research is also pointing to concerns for prospective fathers. Male factors play a role in about half of the 15% of couples who are infertile, and scientists are finding that, in addition to aging, a variety of substances can undermine sperm quality.

Such factors as smoking and other behaviors, certain medications, and exposure to environmental pollutants can play a role in compromising sperm quality and were the focus of studies reported at a joint meeting of the American Society for Reproductive Medicine and the Canadian Fertility and Andrology Society held here in October. Unlike aging, however, many of these potential risks to male fertility can be controlled.

Smoking, drugs, pollutants, and other factors can undermine sperm quality and may . . . [Full Text of this Article]

STEROIDS, SMOKING



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