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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
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
Understanding it is half the battle. The app is the other half.
SmokeFree AI puts a coach and a craving rescue in your pocket. Launching September 1, 2026 on Android.
Launching September 1, 2026Sources across these pages: NHS. General information, not medical advice.