The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Snot is made up of water, proteins, antibodies, and dissolved salts, explains Jonathan Parsons, M.D., a professor in the Department of Internal Medicine at The Ohio State University Wexner Medical ...

It’s that time of year when many people have runny noses and are “a bit snotty.” Snot can be many colors – clear, yellow, green, white, red, brown, or black, as per the report by The Sun. Watching its ...

Having black or dark phlegm or mucus can be distressing. It can often signal a serious disease or exposure to unhealthy pollutants. The presence of mucus is not a sign of disease and shouldn’t pose ...