By Dr. Lisa Metzgar, PhD:

We live in an age of over sanitation, especially when it comes to our children. We use antibacterial soaps and don’t expose our children to necessary bacteria that help to build their immune systems.

“According to this "hygiene hypothesis,'' the human immune system evolved two types of biological defenses. When one defensive system lacks practice, perhaps from an overly sanitary lifestyle, the other system becomes too powerful and overreacts to harmless substances like pollen (1)."

So, it is just as important to our children’s health to expose them to dirt as it is to feed them a healthy diet. Keeping your kids too clean may be contributing to... read more