You typically do not notice phlegm until your body starts to produce too much of it due to an infection. Your airway glands create thicker and stickier mucus to help fight off harmful germs.
Amgen and AstraZeneca today announced positive top-line results from the Phase 3 WAYPOINT trial in patients with chronic rhinosinusitis with nasal polyps (CRSwNP [nasal polyps]). The trial ...