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In addition to assent provided by adolescent participants, informed consent was provided by their legal guardian

You should consult with your physician if you have specific health concerns that might be negatively affected by caffeine.

Social support is also important to smoking cessation, as it can buffer the effects of withdrawal symptoms and help maintain a smoke free life

Paul Grogan, Adjunct Senior Lecturer, The Daffodil Centre, University of Sydney and Guy Marks, Professor of Respiratory Medicine, South Western Sydney Clinical School, UNSW Sydney This article is republished from The Conversation under a Creative Commons license

Smoking tobacco produces carbon monoxide (CO), a harmful gas formed through incomplete combustion

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