SMOKELESS tobacco products that "heat not burn" aren't quite as healthy as they're made out to be, as new US research finds that the devices heat up much more than claimed, releasing toxic chemicals and increasing the amount of nicotine inhaled.
Manufacturers of the iQOS heat stick ( from Philip Morris and pictured) recommend cleaning the device after every 20 heat sticks but the researchers found that charred tobacco debris builds up after every stick, which shouldn't happen if the device only heated to the temperature claimed.
Researchers found that the plastic filter that melted released toxic chemicals like formaldehyde cyanohydrin.
CLICK HERE for the BMJ paper.
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