Health news and features Try, try again to stop smoking Cigarettes: No. 1 enemy of lungs Older adults: How to prepare for surgery Heart disease 101 Lung cancer: Causes and symptoms Chemotherapy: Coping with hair loss Talk to your kids about smoking Smoking: Resources for quitting Helping a smoker quit Seniors: Any age is a good age to quit smoking Baby on the way? Here's why you have to stop drinking and smoking Stop smoking 101 What to know about lung nodules Cancer prevention: What works « 2 (current)