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 ...

Please provide your email address to receive an email when new articles are posted on . Airways with mucus plugs have thicker epithelium, basement membranes and smooth muscle than unplugged airways.

Mice make use of rapid nerve cell interactions in the brain's smell center to distinguish one odor from another, a new study shows. Both mice and humans can rapidly identify odors, researchers say, in ...