Vaping is harm reduction not harm free. However according to a truly trustworthy source independent of BT influence, it is
at least 95% less harmful than smoking. However common sense also tells that you inhaling
anything other than fresh air carries health risks.
Does vaping kill you? No, I'm smoke free for 10 years and my lungs have never felt better.
Does smoking kill you? Yes, beyond any doubt scientific or otherwise.
Every single scare that has hit the ether since interested parties decided to kill vaping for encroaching on their highly lucrative tobacco market has been debunked. Heavy metals in e-liquid, formaldehyde, diacetyl, the latest involving black market THC/CBD, the list goes on and on.
I've said this many times, even if vaping was as harmful as smoking I would still prefer it as a method of maintaining my nicotine addiction.
Here are some more sources of reliable confirmation of vaping's benefits. No hyperlinks or copyable text I'm afraid.