Just look at the chart? It’s pretty obvious that smoking is consistently declining, while vaping started at a low point of smoking.
Note that 2015 is not when teens started vaping. It's when whoever collected this data started paying attention to vaping.
I'd rather teenagers weren't using any tobacco products whatsoever, but I'm pretty sure inhaling vaporized ecig juice is much better for people's health than cigarette smoke.
I've seen this thinking many times in this thread. How is this so? Smoking seemed harmless in the 1950s as well.
Lighting a fire in your mouth is so obviously worse it's comical to debate.
How would adding smoke to nicotine make it healthier?