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Nicotine and quitting, explained

Clear, sourced answers to the questions people search most when they are thinking about quitting. No jargon, no scare tactics, just what is happening with nicotine, withdrawal, and cravings, and how long each one lasts.

Nicotine and your body

How long nicotine stays in your system Nicotine half-life

Withdrawal and cravings

Nicotine withdrawal symptoms What a nicotine craving is How long cravings last I vaped once, have I ruined it? Why you feel worse after quitting

Vaping

Why you feel so angry Why you cannot sleep Why you are so hungry How many attempts it takes Vaper's tongue

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Sources across these pages: NHS. General information, not medical advice.