Police on Long Island are now using a roadside saliva test that can detect marijuana use and other drugs in minutes.

Suffolk police are using three of the kits, known as SoToxa, in a pilot program to test drivers to determine the presence of ...

The saliva circulating in your mouth contains troves of microbial information about the rest of your body and is easier to collect than blood samples. Today, a few drops of spit can help detect ...

Easier than a blood test, saliva tests have the potential to detect cavities, infections and even cancer. But a lack of insurance coverage and... Using saliva to detect disease holds promise, but it's ...

Your saliva is "like a microbial fingerprint," says Purnima Kumar, a spokesperson for the American Dental Association. But it also changes if you take a sip of water or coffee. (dusanpetkovic | Getty ...