Health news and features Cigarettes: No. 1 enemy of lungs Sinus trouble can be a real headache Asthma triggers Mind the mold if you have asthma Pace yourself with COPD Make a plan to control your asthma What is thunderstorm asthma? Reduce your risk of pneumonia Indoor pollutants and your health What you need to know about pneumonia Lung cancer: Causes and symptoms How the lungs work Got asthma? Get a flu shot Aspirin and asthma don't mix Smoking: Resources for quitting Control pollution from home heating and cooling systems When asthma acts up Controlling your child's asthma Protect your lungs: Check your AQI IQ Asthma: Take steps to avoid respiratory infections « 2 (current) 3 »