Period blood color variations, such as bright red, brown, or black, are typically normal and reflect changes in menstrual ...

If a person coughs up blood and has dark or black ... once exposure to the pollutants stops. Dark or black mucus sometimes returns to a regular color quickly. This may happen when temporary ...

Boulware advocates for blood clot awareness after surviving a medical emergency. Black Americans are at higher risk; a new bus tour aims to spread awareness.

Medically reviewed by Alexandra Dubinskaya, MD Period blood color can change from bright red to dark red, pink, or brown at different points during menstruation. Period blood color can even be black, ...