cigarettes positive effects Tobacco and the environment Nicotine: The Good, The Bad
Description
A great number of prominent medical figures argued that smoking caused the British population to degenerate physically, as it was believed to interfere with the strength of growing boys

This is because freebase nicotine provides a stronger sensation in the throat compared to nic salts

So the evidence is there
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They do what they say on the tin - help you to replace the harmful chemicals found in traditional tobacco products, with a realistic smoking sensation
Antennae end in a 3-segment "club." Photo: Sarefo via Wikimedia Commons, CC BY-SA 3.0 Cigarette Beetle: Wings are smooth (no grooves)