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Vapes also contain solvents and flavorings that can create harmful byproducts, and small amounts of metals can be released from the heating coil

It was essentially the wild west

The low temperature of tobacco smoke from the filter prevents tobacco tar from dissolving in the cigarette smoke and, practically does not settle on the alveoli of the smokers lungs

You end up with a lot of cheap components, like a lead-based alloy. He says its unclear why manufacturers are using these lower-quality parts, but says it could be that theres incentive to make cheaper products, and so theyre using materials that are cheaper in them, instead of something like stainless steel or a higher-quality metallic component. The researchers tested flavored and clear versions of three of the most popular products Esco Bar, Flum Pebble, and ELF Bar and found excessive emissions of toxic metallic elements in the aerosols from each of them