PDF) Contextual influences on the role of evidence in e cigarette recommendations: a multi method analysis of international and national jurisdictions Smoking, drinking and drug use AYPH Youth Health Data COVID 19 and the Impact on Smoking VAPE.CO.UK Vaping: the madness of the British? Sydney Health Law E cigarettes on prescription and vaping in hospitals new recommendations by Public Health England Derbyshire Live Vaping may be less harmful to blood vessels than smoking cigarettes BHF