How to Tell if Someone is Vaping in Your House: Hidden Signs Vaping: The Smoke Free Habit That Isn't Risk Free PALS Community Magazine So vapes. They smell like bubblegum, look like highlighters, and somehow cost more than a week's groceries. But what's really going Does Vaping Cause Lung Cancer? Do Weed Vape Pens Smell Like Weed? Essential Facts Spiritleaf Ancaster Cannabis Dispensary 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.