Beard of man

Every man think that beard is a fashion.But a health institution of Switzerland, zurikh proves that it is wrong. A health institution name ''Hirslandan clinic'' prove from a observation that man's beard is most dangerous than the dog's hair. 

        The institute resourse about if it is possible to scan both man and dog with MRI machine. Then they decided to resourse with 18 beard man and 30 haird dogs. they saw at the last that there were germs in only 23 dogs out of 30 dogs. But there were many germs in man's beard.