Vaping alters the bacteria in the mouth, making e-cigarettes users more prone to inflammation and infection than non-smokers, new research suggests.
There have been two deaths in the UK potentially linked to vaping, the healthcare products regulator has said.
Vaping may be helping more than 50,000 smokers quit cigarettes each year, research suggests.
Bacterial and fungal toxins linked to lung disease may be contaminating popular vaping products, research suggests.
The growth in the use of e-cigarettes has not led to a boom in teenagers taking up tobacco smoking, research suggests.
E-cigarettes are back in the news after MPs on the Science and Technology Committee (STC) said rules around the devices should be relaxed to help accelerate already declining smoking rates.
The perception that e-cigarettes are safe should be treated with caution, scientists have said as new research suggests vapour could harm lung cells.
Cinnamon-flavoured e-cigarettes may damage the lungs, a study has found.
Action has been taken against north-east retailers after large numbers were found to be selling vaping products to children.
North-east health chiefs are considering lifting a ban on e-cigarettes and vaping on hospital grounds.
Smoke from e-cigarettes damages DNA and can increase the risk of cancer and heart disease, scientists have warned.
Vape shops in Aberdeen have backed a ban on selling the electronic cigarettes to under-18s, starting today.