e cigarette device Chemical characterisation of the vapour emitted by an e-cigarette using a ceramic wick-based technology E-cigarette, or Vaping Product, Use

current cigarette and/or waterpipe smoker

Social opportunities: creating anti-smoking norms and environments Participants identified a range of strategies to reduce adolescents social opportunities to smoke, centred around three key areas: banning staff smoking in schools, promoting non-smoking role models, and harnessing positive peer influence

She points to a study published in the Journal of Neuroscience that found that even "light" pot smokers had changes in brain function in areas of motivation and emotion (the changes were just greater in those regions of the brain in people who smoked more heavily)

CNN's Melissa Bell reports

Smoking also means suffering from unrequited feelings