> Inhaling a mixture of propylene glycol, vegetable glycerin, nicotine, and flavoring does not...That’s like worrying about Halloween candy being spiked with LSD.

The heavy metals, pesticides, and toxic chemicals in ecigs do though. If researchers pulled 64 types of Halloween candy off store shelves and found a bunch of LSD in every single sample I'd say you should be worried. https://refractor.io/health-wellbeing/unknown-chemicals-vape...