Nicotine itself, while not entirely harmless, is not a known carcinogen when used in controlled amounts like in nicotine gums
Most of them are even safe to swallow the juices from , if you choose to
Hookah smokers are rather consuming more carbon monoxide as a by-product of burning coal
The most common methods of smoking tobacco include manufactured and hand-rolled cigarettes and cigars (worldwide, Europe, and Asia), waterpipes (Middle East, North Africa, and parts of Asia), pipes (worldwide), and more recently electronic nicotine delivery systems (North America and Europe) (Asma et al
I think that's where I get my humor! But it was hard to find anything to smile about when a small spot in Robert's mouth proved to be cancer last May