Health news and features Try, try again to stop smoking Cigarettes: No. 1 enemy of lungs Sinus trouble can be a real headache Choking: Keep little ones safe Asthma triggers Mind the mold if you have asthma How to harness the relaxation response 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 « 2 (current) 3 »