|
How mast cells work
Your body is a weapon. The immune system is a machine of war, ready to take on invaders. The immune system has its own internal affairs department: it can identify cells which are |  | Asthma
"Asthma" comes from the ancient Greek word meaning "panting" and, if you've experienced an asthma attack, you'll understand why. For some, an asthma attack feels as though an | | Hay fever
The term hay fever is a misnomer: the condition is not caused by hay, nor does it produce fever. The clinical name is seasonal allergic rhinitis, which is a type of allergy. | | Why does my nose cause such trouble?
Your nose has the task of filtering out the unwanted substances and preventing them from entering the lungs. | | Anatomy of a sneeze
Sneezing, also called sternutation, is your body's way of getting something irritating out of your nose. Here's how it works. |
|
|
|
|
