Nasal polyps are painless, teardrop-shaped growths that form in your nose or sinuses. They’re most common where the sinuses near your eyes and cheekbones drain into your nose. Nasal polyps are not ...

Approximately 40% of the European population are allergic to pollen, and their symptoms cause an estimated loss of 100 million school- and workdays every year. The prevalence of hay fever has been ...