Ever notice white patches on your tongue or redness in your mouth or throat? It could be oral thrush, a common fungal ...

Check out the inside of sweaty guy's mouth. It's full of good, old-fashioned spit, otherwise known as saliva. Saliva is produced by the salivary glands, found on the inside of each cheek ...

Food. Frogs use their sticky tongues to catch prey — but Noel discovered that the second a frog's tongue flies out of its mouth in search for a tasty treat, that spit goes from sticky to watery.