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Living Well. Retrieved September 7, from www. Researchers say that MHz is the most commonly used frequency. However, the study does have major limitations, he acknowledged, such as the small sample size. Prof Nayernia gained worldwide acclaim in July when he announced in the journal Developmental Cell that he and colleagues had created sperm cells from mouse embryonic stem cells and used these to fertilise mice eggs, resulting in seven live births. In a previous study, Agarwal and his team found that men who used their cell phones more than four hours a day had significantly lower sperm quality than those who used their cell phones for less time. ScienceDaily shares links with scholarly publications in the TrendMD network and earns revenue from third-party advertisers, where indicated.

Agarwal says that equals a decrease in sperm's quality, including motility and viability. Genetic markers showed the presence of partly-developed sperm cells called spermatagonial stem cells, which are an early phase of the male germ cell development. For the experiment, Prof Nayernia and his team took bone marrow from male volunteers and isolated the mesenchymal stem cells. This maintenance is poorly understood. CNN -- Keeping a cell phone on talk mode in a pocket can decrease sperm quality, according to new research from the Cleveland Clinic.