Portrait of boy showing hands covered in dirt

Jack Gilbert as a new father got a lot of different advice about proper look after his child, as like when he should give him antibiotics and how often he should sterilize his pacifier.
A Scientist Gilbert studied microbial ecosystem at the University of Chicago at the birth of his second child and decided to known about the risks involved when modern-day children come in contact with germs.
“It turned out that most of the exposures were actually beneficial,” Gilbert says. “So that dirty pacifier that fell on the floor — if you just stick it in your mouth and lick it, and then pop it back in little Tommy’s mouth, it’s actually going to stimulate their immune system. Their immune system’s going to become stronger because of it.”
Gilbert is the co-author of a new book called Dirt is Good: The Advantage of Germs for Your Child’s Developing Immune System. Presented in a Q&A …