STUDY: Smoking shortens life by 10+ years... USA TODAY reported USA Today STUDY: Smoking shortens life by 10+ years... STUDY: Smoking shortens life by 10+ years... USA Today STUDY: Smoking shortens life by 10+ years... lifetime of smoking reported USA Today STUDY: Smoking shortens life by 10+ years... STUDY: Smoking shortens life by 10+ years... USA Today