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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Lung Function After Quitting: How Your FEV1 and Breathing Recover Over Time (2026)
Quitting smoking produces a measurable FEV1 gain of around 47 ml in the first year and halves the annual rate of lung…
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Best Quit-Smoking Apps for People With Anxiety or Depression Compared (2026)
The best quit-smoking apps for people with anxiety or depression in 2026 — compared on mental-health features, ACT and CBT support, craving…
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Smoking and Your Immune System: How Cigarettes Weaken Your Defenses and What Recovers (2026)
Smoking and the immune system are locked in a damaging relationship — cigarettes suppress your body’s defences at every level. Here is…
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Smoking During Pregnancy: Risks, How to Quit, and What Happens When You Do (2026)
Smoking during pregnancy harms your baby at every stage. This evidence-based guide covers the real risks, the safest ways to quit while…
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How to Quit Smoking with Type 2 Diabetes: A Step-by-Step Plan (2026)
A complete, evidence-based step-by-step plan for people with type 2 diabetes who want to quit smoking in 2026 — covering blood sugar…
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Does Quitting Smoking Boost Your Immune System? How Fast It Recovers (2026)
Yes — quitting smoking begins restoring immune function within weeks. Smoking suppresses white blood cell activity, impairs wound healing, and raises infection…
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Staying Motivated to Quit With Depression: When Quitting Feels Impossible (2026)
Quitting smoking when you have depression can feel like the hardest thing in the world. But research shows cessation actually improves mood…
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Why Do I Cough More After Quitting Smoking? (And When It Stops)
Coughing more after quitting smoking is a sign of healing, not harm. Your cilia are waking up and clearing years of built-up…
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Smoking and Mental Illness Statistics 2026: Cessation Rates in Schizophrenia, Bipolar Disorder, and Depression
People with schizophrenia smoke at rates 2–4× the general population. This 2026 statistics roundup covers SMI smoking prevalence by condition, quit rates,…
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How iQuit’s AI Coach Helps You Quit Smoking: Inside the Feature (2026)
A detailed look inside iQuit’s AI coach feature: how it personalises support, what it does during a craving, how it learns your…
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Smoking and Gum Disease Statistics 2026: Periodontitis Risk & Recovery Data
Smoking doubles the risk of gum disease and accounts for over 40% of periodontitis cases in U.S. adults. Explore the latest 2026…
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The Coffee-and-Cigarette Trigger: How to Keep Your Morning Coffee Without Smoking (2026)
Your morning coffee doesn’t have to mean a cigarette. Learn the science behind the coffee-cigarette trigger and evidence-based strategies to separate the…
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