1. Rising Heat, Humidity Raise Risk of Asthma Flares - US News and World Report
Weather changes send more wheezing youngsters to the ER, study finds

2. Middle-Age Heart Risk Factors Shorten Men's Lives - US News and World Report
Smoking, hypertension, high cholesterol cut 10 years of life, study finds

3. Asthma : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
Asthma is caused by inflammation in the airways. When an asthma attack occurs, the muscles surrounding the airways become tight and the lining of the air passages swell. This reduces the amount of air that can pass by, and can lead to wheezing sou...• Reviewer: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

4. Asthma  (Trust Mark: Doctor-Reviewed)
Asthma is a disease of the respiratory system that causes breathing difficulty. Asthma is typically expressed by repeated but reversible episodes of constriction and inflammation of the airways and lungs. Typical symptoms include wheezing, coughin...• Author: Marshall G. Letcher MA