Everyday Health on MSN

Is It Hereditary Angioedema or Allergic Angioedema?

Understand the differences between hereditary and histamine-mediated angioedema, including their symptoms, causes, and ...
Tribune Content Agency on MSN

The Medicine Cabinet: Ask the Harvard Experts: Are sinus infections contagious?

Sinus infections, also known as sinusitis, can leave us feeling miserable with symptoms like nasal congestion, facial pain ...