A study that stirred worldwide uneasiness last fall —as well as quite a bit of disbelief— is now in print. In October, Ashok Agarwal of the Cleveland Clinic presented a paper at a fertility conference showing that men who used their cell phones for more than four hours a day had poorer semen quality than those who went phone-free (see our October 26, 2006 post).
Agarwal's paper has been posted on the Fertility and Sterility Web site and will appear in a forthcoming issue of the journal. Here is his conclusion: "Use of cell phones decrease the semen quality in men by decreasing the sperm count, motility, viability, and normal morphology. The decrease in sperm parameters was dependent on the duration of daily exposure to cell phones and independent of the initial semen quality."