this post was submitted on 18 Jul 2025
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They may look like travel shampoo bottles and smell like bubblegum, but after a few hundred puffs, some disposable, electronic cigarettes and vape pods release higher amounts of toxic metals than older e-cigarettes and traditional cigarettes, according to a study from the University of California, Davis. For example, one of the disposable e-cigarettes studied released more lead during a day’s use than nearly 20 packs of traditional cigarettes.

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[–] roguetrick@lemmy.world 9 points 3 days ago* (last edited 3 days ago) (3 children)

Could also be due to soldering the resistance wire itself in place, or something else that's in contact with the juice. These guys often ship these in international parcel shipping direct to consumer. That means a lot of shocks and they want to make sure the disposable works when whoever they sold it to(and who clicked "why of course I'm 18) so they don't have to deal with returns. Non disposable vapes do not have solder points in any part of tank or atomizer because they're generally assembled with o rings and threads. These are not.

[–] Gigasser@lemmy.world 1 points 2 days ago

It's adulterants and the solder used. I believe you can access the study through the article itself. It should tell you some of the sources of heavy metals.

[–] rc__buggy@sh.itjust.works 3 points 3 days ago

I hadn't considered solder in the tank. No bueno.

[–] dai@lemmy.world 1 points 3 days ago

I'd be pretty surprised to see lead solder used in these applications, lead free is the defacto standard and has been for a long time. Not in vapes but any consumer electronics device.

More than likely it's the mesh coils used having some lead present.