While there are many men put a laptop computer on the lap during use. Research has shown that lap laptop computer makes such a serious danger to reproductive health. The researchers from the University State University of New York conducted experiments on 29 male volunteers use PC by placing it on the thigh. Then they made a survey on the temperature of genital areas they found that his testicles they increase the heat to dangerous levels, although they placed protective lining at the bottom. Yelim Sheynkin professor who led the study, said: "Millions of men are using Laptop in the reproductive age, they probably do not know that to put the laptop on the twin in the next 10 or 15 bladder temperature testicles their safety is increased beyond the level already. " Normally, the position of the bladder testicles are located in the outer part of the body. It can keep the temperature a few degrees cooler than the inside of the body, which is necessary for the production of sperm. Although no study has discovered how laptops affect male reproduction Of course, but research has shown that the hot bladder testicles than one Celsius It is damage to sperm. According to the latest study published in the journal Fertility & Sterility, according to the temperature of the testicles of men increased 2.5 degrees Celsius after the laptop on the lap for an hour. Sheynkin said, adding that he did not say that to do this will make them feel not have children. But he warned that frequent use of such computers can cause problems due to reproduction "bladder eggs do not have time to cool down the heat," he said. In the UK about a couple pairs among seven couples experience problems with children, and these cases Also joining sperm half.