Doctors issue warning over 'caffeine vapes' with unknown side effects
![Doctors issue warning over 'caffeine vapes' with unknown side effects](https://i2-prod.walesonline.co.uk/incoming/article28633962.ece/ALTERNATES/s615/0_GettyImages-531977030.jpg)
Some manufacturers are now selling 'caffeine vapes' which claim to give you an energy boost without drinking coffee
Some manufacturers are now selling 'caffeine vapes' which claim to give you an energy boost without drinking coffee