Mary Roach quote

Saliva has antibacterial properties. It also has things called nerve growth factor, skin growth factor, histatins which help with wound closure. So when you see an animal licking a wound or even a mom kissing a child's boo-boo, there's some, there's some good science behind why one might do this.
Mary Roach

Quotes To Explore

More quotes?

Try another of these similiar topics.