NHS would save more than 500m a year if half of England's adult smokers vaped instead Brunel University of London What is the NHS Swap to Stop Smoking Service? OK Vape New 12 step plan to ERADICATE smoking in UK revealed calling for ban to under 21s and e cigs on NHS E cigarettes could be available on NHS to tackle smoking rates British People Still Mostly Unaware of Vaping's Benefits Electric Tobacconist