Playing in Mud is Good for Health, Science Research

Let kids play in dirt and let them lie on floor if you want them to be away from diseases allergy and asthma. 

Although it seems odd because we know that we must care about the cleanness as much as possible but scientists made a recent research in which it was found that making kids too much away from dust does not makes immune system in them which is necessary to fight with diseases such as asthma and alergy.