Category 01

Allergic asthma is a chronic condition caused by inhaling allergens. Allergens are compounds in the environment that trigger an inflammatory reaction. In some people, the immune system mistakes them for an outside invader, and attacks. The air pathways swell and become narrow. While there is no...

You heart contracts ("beats") to push blood through your body. The right amount of pressure keeps blood moving. Too little pressure (hypotension) can make you light-headed or even pass out. Too much pressure (hypertension) can damage your blood vessels and organs. High blood pressure can damage...