Your hot steam is a good point - does this include saunas? The steam from hot tubs?
Now, getting any particulate matter in your lungs isn’t healthy in general. Inhaling smoke from a fire, or from a candle, or from cigarettes or pot or vaping – in the case of the last two, it’s just best to go with edibles.
OTOH, our bodies are remarkably resilient in youth and remarkably susceptable to old age. By the time vaping kills you, odds are you’ll be ready for it anyway.