Is it harmful to put a laptop on your lap?

　　Many people like to use their laptops on their lap, but research shows that this may damage male Reproduction, because the notebook will destroy the quality of sperm, the conclusion is that it is best to use the notebook on the table.
　　
　　A urology team from the State University of New York found that when men use laptops on their laps, the temperature of their scrotum rises rapidly. If they continue to use the computer for ten to fifteen minutes, it may cause harm.
　　
　　According to statistics, one out of every six couples in the United States has difficulty conceiving, and half of couples are infertile, and the problem lies with the man.
　　
　　Although no research so far has examined how laptops can damage male fertility, and there is no clear evidence that they do, studies have shown that a rise in scrotal temperature of just one degree Celsius can be enough to harm sperm.