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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What If You Invested Your Cigarette Money Instead?
Invest your cigarette money instead of spending it: the full arithmetic at a stated pack price and a stated return, with every…
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Is Nicotine Withdrawal Dangerous? What’s Normal (2026)
Is nicotine withdrawal dangerous? No – it’s uncomfortable but not life-threatening, unlike alcohol or benzodiazepine withdrawal. Here’s what’s normal.
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Quitting Smoking With a Chest Infection: Now or Wait?
Quitting smoking with a chest infection: why now beats waiting, how to tell a withdrawal cough from an infection cough, and the…
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Does Quitting Smoking Help Acid Reflux and GERD?
Does quitting smoking help acid reflux? Yes — nicotine relaxes the valve that holds acid down. The mechanism, the timeline, and the…
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How to Quit Smoking Before Your Wedding: 90-Day Plan
How to quit smoking before your wedding: a 90-day plan worked backwards from the date, plus the day itself, the honeymoon and…
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Cigars vs Cigarettes: Are Cigars Safer in 2026?
Are cigars safer than cigarettes? No — a large cigar holds 5–20g of tobacco, more tar per gram and more nitrosamines. The…
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How Much Money Does the Tobacco Industry Make? 2026 Data
How much money does the tobacco industry make? Revenue, profit and margins for 2025 straight from the filings of Philip Morris, Altria…
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How to Quit Smoking Before IVF: A 90-Day Plan (2026)
How to quit smoking before IVF: what ASRM data says about egg and sperm quality, NRT safety, and a 90-day plan mapped…
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Generic vs Brand Nicotine Patches: Is the Cheap One as Good?
Generic vs brand name nicotine patches compared from the actual FDA labels: same nicotine, same strengths, and the one cheap option to…
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What Cancers Does Smoking Cause? Risk by Type (2026)
What cancers does smoking cause? At least 12 types, from lung to bladder to cervical, plus about a third of all US…
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Talking Yourself Out of Quitting? The Last 2 Weeks Fix
Talking yourself out of quitting smoking? The six bargains smokers make in the last two weeks before a quit date, and the…
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Nothing Feels Good After Quitting Smoking? Here’s Why
Nothing feels good after quitting smoking? Anhedonia is a real, temporary withdrawal symptom — here’s why it happens, how long it lasts…
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