I suppose this depends on ones view.
I would suggest Nicotine is the most dangerous part.
Nicotine is in fact not really dangerous in the amounts one get from a cigarette.
The problem is that it causes addiction and many people "enjoy" its effect.
This makes people less concerned with the cigarettes secondary effects so they expose their bodies to a wide range of poison and irritants just to get more nicotine.
Tobacco is a plant that when smoked or chewed is the main cause of cancer in those using it.
Nicotine alone is however not the cause of cancer. Researchers agree that this component only causes the addiction.
Flying debris is the most dangerous part in a tornado.
i have no idea thats what im trying to find out.
the stem
what is the most dangerous part of a fire. That is the thing most likely to kill you
is the northeast part of the eyewall in a hurricane the most dangerous
The flowers and the leaves
the voltage.
The pistil (not 'pistol'; if a plant had that we would be living in a dangerous world).
Pretoria was ranked as the most dangerous city in the country in 2020/2021
The Southen Part!
the vagina
The Slumbs