Secondhand vape exposure: Risks and side effects Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. The risks of vape pens' secondhand aerosols From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market