A 30-year-old woman produced a single mass of gray material from her nose during a particularly forceful sneeze several hours before presenting to our clinic. She asked that the material be submitted ...

Mucus is more than just the sticky snot that comes from your nose. This protein-rich goop is found in many other organs, including the lungs and intestines, where it forms a protective layer that ...

Understanding how mucus changes, and what it changes in response to, can help diagnose illnesses and develop treatments. Researchers develop a system to grow mucus-producing intestinal cells and study ...

Our bodies depend on mucus to function properly. As it turns out, so do some cancer cells. Scientists discovered mucus not only allows young pancreatic cancer cells to grow, but also prevents them ...

Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...