In some cases, changes to your spit can be a warning sign that something’s off.
Cool Jobs: Saliva offers a spitting image of our health
Saliva - 10 Juicy Facts that reveal why saliva can help you achieve better oral health
What can your tongue tell you about your health?
What Your Saliva Says About You - Yuba City Dentistry Group
Saliva could indicate mortality risk and future health
Observations against the recent discovery of a new pair of salivary glands in humans
5 Essential Benefits of Saliva
Your Saliva Says A Lot About Your Health: Here's What To Look For
If your saliva could talk - Gum Disease and Saliva Testing
Saliva test can reveal your memory skills.
Study reveals the effect of genetic 'knockouts' on human health - Queen Mary University of London
Can a Dentist Detect Heart Disease With Just Your Saliva?
What does your saliva say about your health? – Ask Dr. Bing Liu