Does Frequent Exposure to Germs Increase Immunity?

Like most new moms, when I had my first child I quickly became a germophobe. Everything had to be sterilized and hands thoroughly washed before even coming near the baby. Sound familiar? Of course, my daughter was also premature, which left her more susceptible than full-term babies. With my second child, I was much more lax about the situation. So does frequent exposure to germs increase immunity in your baby? It turns out there is some truth to this, but {Read More}