This was posted here a few months back, but since it has been updated and it's full of really good information and exceptionally great opinions from different professionals, it's definitely worth sharing over and over again.
Enjoy!
Reasonable people saying sensible things about low-risk alternatives to smoking (update) « The counterfactual
Enjoy!
Reasonable people saying sensible things about low-risk alternatives to smoking (update) « The counterfactual
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