Should We Let Our Kids Play In Dirt?Dirt. Grime. Mud. Those very words evoke thoughts of pestilence and sickness, which is why we often obsessively clean our houses to get rid of dirt. We sweep it off our porches, mop it up from the floors, and wash it off in the shower. So when parents see their children outside, digging through the dirt and examining all of the strange creatures that they can find, the immediate reaction is to stop them. However, the reality is that a bit of dirt probably isn't going to hurt them. In fact, it may...