A phlegmy cough and shortness of breath are possible warning signs of chronic obstructive pulmonary disease (COPD). Keeping track of your symptoms and knowing your risk factors can help you test ...

It’s a relatively simple maneuver, but it has the potential to reveal clues about a possible heart issue. So what exactly does the “thumb test” entail, and what should people know about it? Below, ...

During a nuclear stress test, you’ll be injected with a radioactive dye called a tracer. Some of this tracer will remain in your system for a time after the test. A nuclear stress test is a type of ...