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 ...

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 ...

The evidence that humans are causing climate change, with drastic consequences for life on the planet, is overwhelming. Experts began raising the alarm about global warming in 1979, a change now ...

A recent survey from the American Psychological Association found that, for many Americans, “news consumption has a downside.” More than half of Americans say the news causes them stress, and many ...