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Published: Oct. 1, 2019, 4:45 p.m.

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This week we talk about tobacco, vaping, and Juul.

We also discuss nicotine, aerosols, and Hon Lik.

This is a public episode. If you\\u2019d like to discuss this with other subscribers or get access to bonus episodes, visit letsknowthings.substack.com/subscribe'