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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Quit Smoking App for Heavy Smokers: What Features Actually Help (2026)
Heavy smokers face different challenges when quitting — more intense withdrawal, stronger habit reinforcement, higher relapse risk. This guide explains which app…
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Nicotine Withdrawal Timeline: Week-by-Week Recovery Calendar 2026
A complete week-by-week nicotine withdrawal timeline — what to expect in days 1–7, weeks 2–4, and months 1–6. Evidence-based, compassionate, and practical.
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What Happens When You Quit Smoking in 2026: COPD Fixes
Quit smoking with COPD isn’t easy, but real fixes exist. Discover the timeline of benefits, how to manage withdrawal, and strategies to…
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iQuit vs Smoke Free App: Which Quit Smoking App Is Better in 2026?
iQuit and Smoke Free are two of the most downloaded quit smoking apps in 2026. This head-to-head comparison looks at features, tracking…
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How Long Does It Take for Nicotine to Leave Your Body? (2026 Medical Guide)
How long does it take for nicotine to leave your body? Nicotine clears from blood in 1–3 days, but its metabolite cotinine…
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Smoking and Cardiovascular Disease: The Evidence on Risk and Recovery After Quitting (2026)
Smoking doubles the risk of heart disease and causes around 20% of all cardiovascular deaths. This guide explains exactly how tobacco damages…
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Best Nicotine Replacement Therapy Options Compared 2026: Patches, Gum, Lozenge, Spray, Inhaler
A clear comparison of all five nicotine replacement therapy options in 2026 — patches, gum, lozenges, nasal spray, and inhaler — with…
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Skin Recovery After Quitting Smoking: What Changes and How Long It Takes (2026)
Smoking accelerates skin ageing, causes uneven tone, and impairs wound healing. This guide explains exactly what happens to your skin after quitting…
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Quit Smoking Cold Turkey vs Nicotine Patches: Which Works Better in 2026?
Cold turkey or nicotine patches — which quit method is actually more effective? We review the clinical evidence from randomized trials and…
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How Long Does Nicotine Withdrawal Last? A Week-by-Week Timeline (2026)
How long does nicotine withdrawal actually last? Physical symptoms peak in 72 hours and largely resolve in 2-4 weeks. Psychological cravings can…
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Smartwatch Quit Smoking Apps vs Phone Apps Compared 2026
Does a smartwatch quit smoking app outperform a phone-only app in 2026? We compare wearable and mobile cessation tools on stress detection,…
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What Happens When You Quit Smoking: The Complete Science-Backed Guide for 2026
Discover what happens when you quit smoking at every stage — from 20 minutes to 15 years. Backed by WHO, NHS, and…
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