McGinn — Dalton Fellow, Cardiac Clinics and Laboratory, Massachusetts General Hospital. White — Physician, Massachusetts General Hospital. For records and addresses of authors see "This Week's Issue," ...

From the Cardiac Clinic of the Beth Israel Hospital, Boston. Wolff — Chief of Cardiac Clinic, Beth Israel Hospital. For record and address of author see "This Week's Issue," page 1223. Select the ...

ITHACA, N.Y. -- Physicians who prescribe the regular use of beta-agonist drugs for asthma could be endangering their patients, two new studies by researchers at Cornell and Stanford universities find.

Asthma is a global issue. It's estimated that more than 334 million people around the world have asthma. It's a chronic disease that makes it hard to breathe. Asthma often starts in childhood, but can ...

There are several different types of asthma, and each has its own set of triggers. Some common types include allergic, nonallergic, seasonal, occupational, and exercise-induced asthma. Asthma causes ...