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. Secondhand vape exposure: Risks and side effects How to Tell if Someone is Vaping in Your House: Hidden Signs Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department Vapes FRANK Frequently Asked Questions Thirdhand Smoke Resource Center