The iQuit guide library
Quit smoking guides, science and motivation
Practical, research-backed articles for every stage of quitting, from choosing a method and planning your quit day to handling cravings and staying smoke-free.
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The Water Trick: Why a Glass of Water Beats More Cravings Than You’d Think
It sounds too simple to matter, but a slowly-sipped glass of water hits a craving from four directions at once: it occupies…
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Metabolism After Quitting Smoking: The Real Numbers Behind the Weight Fear
Nicotine raised resting metabolic rate by roughly 100-200 calories a day and suppressed appetite — quitting reverses both. But the data says…
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Why Do I Feel Dizzy After Quitting Smoking? (The Oxygen Rebound)
Light-headedness in the first days of quitting is usually the oxygen rebound: with carbon monoxide gone, your blood suddenly carries more oxygen…
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Cold Hands and Feet No More: Circulation Recovery After Quitting Smoking
Every cigarette constricted your blood vessels for 20-60 minutes, dropping skin temperature measurably — chronically cold hands and feet are a smoker’s…
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Quit Buddy vs AI Coach: Which Support Actually Fits Your Quit?
A human quit buddy offers real stakes and shared victory but sleeps at 3am and might relapse with you; an AI coach…
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How to Rebuild Your Morning Routine Without the Wake-Up Cigarette
The wake-up cigarette was your day’s keystone habit — remove it and the whole morning wobbles. The rebuild: water before anything, a…
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Why You Smoke When Your Friends Smoke: The Social Wiring of Cigarettes
Smoking spreads through social networks like a contagion — and quits do too: research found a friend quitting cuts your own smoking…
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Getting Started With iQuit: From Download to Your First Milestone in 20 Minutes
From Google Play to your first unlocked milestone takes about 20 minutes — conveniently, that’s exactly when your heart rate starts dropping.…
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Visualize the Non-Smoker You: Future-Self Motivation That Actually Works
Vague positive thinking doesn’t quit cigarettes — but structured future-self visualization measurably helps: psychology finds people who feel connected to their future…
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How Much Nicotine Is in One Cigarette? The Numbers Behind the Hit
A cigarette contains 10-14 mg of nicotine, but you absorb only 1-2 mg per smoke — and that gap is the addiction’s…
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Why Does My Chest Feel Tight After Quitting Smoking? (What’s Normal, What’s Not)
Mild chest tightness in the first weeks after quitting is usually benign: airways clearing, anxiety’s physical echo, and muscle tension from withdrawal…
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Teeth and Gums After Quitting Smoking: Whiter Smile, Healing Mouth
Smoking stains enamel, starves gums of blood, doubles gum-disease risk and masks its warning signs. Quit, and gum circulation recovers within weeks,…
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