Gill Riley, who wasn't obese, regrets taking unprescribed weight-loss medication she purchased from a friend 'to be skinny' ...

If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust.

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...

This type of infection can cause bleeding in the airways, and this blood makes the mucus and phlegm appear dark or black. According to the American Cancer Society, there were about 234,580 new ...

Because the illness affects the air sacs in the lungs, it can result in a persistent cough, which can produce dark brown or ...

This can cause your phlegm to contain traces of blood. Repeatedly coughing up phlegm often brings small amounts of blood into the mouth and onto the taste buds, leading to a distinct metallic ...