The color of your phlegm may be more than simply an unpleasant observation; it may also be an indicator into your health. The color of your mucus might point to underlying issues that may require ...

involves coughing or spitting up blood or blood-streaked mucus from your respiratory tract (i.e. lungs and airways). Coughed-up blood may appear pink, bright red, or rust-colored, and there may be ...