Yawning is normal - from babies to grandparents - everybody yawns. Even your pets and wild animals yawn. So why do we yawn? Well, the truth is we don’t know for sure, but we have a few ideas on why people yawn.

Your nose produces up to a pint of snot per day, but you swallow most of it. While that may seem gross, it actually is very important and helps you stay healthy. Your snot keeps germs dirt and bacteria from getting into your lungs. Kind of like an air filter as you breathe.

Why Do Eyes Water? The Answer Might Not Be What You Expect! You're outdoors, and a wind suddenly blows you in the face. You just noticed your eyes are tearing up and you’re not sad. So what's going on? “My eyes are watering, and I’m not crying?”.

Why do I need to wash my hands? Easy - washing your hands helps protect you from germs. It also helps protect from spreading germs to other people.

Bad breath is common, and anybody can have it from time to time. The good news is there are ways to prevent bad breath and even treat it in more severe cases.