Timely diagnosis of debilitating and often deadly brain diseases such as Alzheimer’s and Parkinson’s remains largely elusive, though in recent years several teams of scientists have reported potential ...

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 ...