Many people don't consider e-cigarettes to be as bad as smoking, however a new study has found that certain flavourings could be linked to heart disease - specifically cinnamon and menthol.
According to a report in the Journal of the American College of Cardiology, even non-nicotine vaping prompts dysfunction in the blood vessels that can increase the likelihood of developing heart disease.
READ MORE: E-cigarettes are just as bad for your lungs as smoke, study finds
![Some flavours, not even including nicotine, prompted dysfunction in the blood vessels. Photo / Getty Images](https://www.nzherald.co.nz/resizer/v2/5UOCFLYFFFH4KJPTGKR4QXG6SA.jpg?auth=281ed378481327dd04999200d0d53e52cb82e570c5785eed987a95c681c3a985&width=16&height=13&quality=70&smart=true)
In their experiment, researchers exposed health human blood vessels to six different non-nicotine vape flavourings.