That's relatively easy to correct for. This is an animal study, which doesn't have that bias: https://www.sciencedaily.com/releases/2016/09/160920160635.htm ht

That's relatively easy to correct for. This is an animal study, which doesn't have that bias: https://www.sciencedaily.com/releases/2016/09/160920160635.htm https://www.sciencedaily.com/releases/2016/09/160920160635.h... Basically, this is why I vape. Early onset dementia represents much higher existential risk than vaping does.