The pouches are used by less than 2% of US teens, the FDA said in granting the application allowing them to continue to be sold.

The intervention works on the rewards systems in the brain like nicotine, says a researcher.

The Ferry Project says its initiative to help people stop smoking is "seeing impressive results".

The app uses motion sensors to pick up on cigarette use and delivers a vibration alert with a text message.

Users of the service say they could not have quit smoking without the support of the programme.

Survey of town's teenagers find rates of substance use higher than national average figures.

People watching football matches in Herefordshire are asked not to light up on the sidelines.

Pitch side banners and posters about the help are being put up at three Kent football clubs.