A team looked at 80 major trials involving nearly 30,000 people and found that nicotine vapes were more effective than traditional aids, increasing the success rate by about 60 percent.
They work better than patches, gum or pills, the most up-to-date evidence suggests.
The States of Guernsey says a duty rate of £2.20 per 10ml of vaping liquid will be introduced.
A Royal College of Paediatrics and Child Health has published a report with concerns vaping is a gateway to smoking
Vape shop owner says ban on under-18s entering the store caused a "major blow" to his business.
Prime Minister Andy Burnham says town centres have been "hollowed out" by decades of decline.
The film is part of a project by Bradford City FC and the council to tackle vaping among young people.
Traders say the Manchester vape market is the biggest in Europe, with shops selling wholesale.
Phone cases, accessories, toys and keyrings are confiscated along with illegal vapes and tobacco.
