If calls and media sound muffled, your phone's speakers might be dirty. Here is a safe, step-by-step cleaning routine that uses basic supplies.

Zen digesters” rarely fart. “Hydrogen hyperproducers” fart a lot. Scientists are investigating what is typical.

A manufacturing problem in millions of Abbott glucose sensors has been tied to at least seven deaths and hundreds of injuries worldwide.

Today, the American Lung Association released a new report, “Something in the Air: How Communities Are Tracking the Air They Breathe,” which examines how communities impacted by major sources of air ...