Overall, researchers found an increase in oxidative stress such as a significant increase in free radicals and oxidants and a decrease in antioxidants. Agarwal says that equals a decrease in sperm's quality, including motility and viability. Evidence of oxidative stress can appear under other conditions, including exposure to certain environmental pollutants or infections in the urinary genital tract. |CNN|
The crucial question remains unanswered. Are we talking about slow swimmers whose leisurely journey up the fallopian tubes will fade into memory before they see egg one, or are we talking about messing with the genome? Makes a difference, I'd say.
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