Add Yahoo as a preferred source to see more of our stories on Google. The perception that e-cigarettes are harmful is barring a key method for millions of people to quit smoking, according to ...

E-cigarette users with a limited smoking history experience similar DNA changes to specific cheek cells as smokers, finds a new study led by researchers at UCL (University College London) and ...

Vaping does not help smokers quit, a study published Wednesday by UC San Diego researchers found, refuting a common misconception among tobacco and e-cigarette users. The report, published Wednesday ...

Smokers have weaker hearts than non-smokers, according to new research. The study found that the more people smoked, the worse their heart function became. Some function was restored when people ...

DALLAS, Nov 20 (Reuters) - Some cigarette smokers over 65 years old who kick the habit may be able to reduce their risk of dying from heart-related problems to the level of those who never smoked far ...