If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

If your hands or feet are changing color when they hit the cold, it could signal a serious health issue that doctors insist you should not ignore. When the temperature drops, it’s normal to feel ...

A new review of the evidence finds that only a handful of common remedies provide a modest benefit for acute or chronic back ...

Low back pain affects an estimated 1 in 4 American adults. In most diagnosed cases, the pain is considered “nonspecific.” meaning it doesn’t have a clear cause. That’s also partly what makes it so ...

ST. LOUIS — Chronic low back pain is one of the leading causes of disability in the U.S., affecting millions—including ...