According to John Hopkins research...
5 Vaping Facts You Need to Know | Johns Hopkins Medicine
4: Electronic Cigarettes Aren’t the Best Smoking Cessation Tool
Although they’ve been marketed as an aid to help you quit smoking, e-cigarettes have not received Food and Drug Administration approval as smoking cessation devices. A recent study found that most people who intended to use e-cigarettes to kick the nicotine habit ended up continuing to smoke both traditional and e-cigarettes.
In the light of the EVALI outbreak, the CDC advises adults who use e-cigarettes for smoking cessation to weigh the risks and benefits and consider use of other FDA-approved smoking cessation options.