"Given that tobacco use is still the leading cause of preventable disease and death in the U.S., there's a lot at stake to ensure the public understands these risks." These "lesser-known" risks include lung disease, head and neck cancer, bladder cancer, erectile dysfunction, and diabetes
Cochrane Database Syst Rev (2009) 3:CD001055
Tobacco falls out of the open end while you are smoking You did not pack and close the open end firmly enough
Vape and oral health issues are just now starting to surface
A 2022 report from The Office for Health Improvements and Disparities states that in the short and medium term, vaping poses a small fraction of the risks of smoking. However, they do add that studies assessing longer-term vaping (for more than 12 months) are necessary. Similarly, a 2018 review concluded that although more research is needed, it does seem like e-cigarettes pose less risk to respiratory health than smoking