Exercise key to breast cancer preventionActivity may reduce risk by mediating sex hormones Hepatology | Hair dye and smoking linked to liver disease Public health | Outdoor air pollution attacks arteries Smoking, toking interfere with HIV drug Protease inhibitor concentrations drop, with potential for reduced drug sensitivity Review confirms smoking as ALS risk factor Secondhand smoke compounds young smokers’ problems Top 10 Montreal restaurant faves Health-care workers reap healthy lifestyle rewards CARDIOLOGY: Women's hearts hit hardest by smoking habit Triathlon death risk nearly double that of marathons Most fatalities occur during swimming heats, study shows First Previous 25 26 27 Next Last