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.
-
What Are Nicotine Salts? Why Vapes Hook You Faster
Nicotine salts let vapes deliver nicotine faster and at higher doses than freebase e-liquids. Here is the 2024 pharmacology behind why pod…
-
Does Nicotine Cause Cancer? Nicotine vs Tobacco Harm
Does nicotine cause cancer? What IARC, the FDA, the Surgeon General and Cancer Research UK say, nicotine’s real risks, and whether NRT…
-
Is Chantix Still Available in 2026? Generic Varenicline
Chantix and generic varenicline are both active, FDA-approved medicines in 2026, after a 2021 nitrosamine recall paused supply. Here is the full…
-
Using a Quit App With Chantix: A 12-Week Tracking Plan
Using a quit smoking app with Chantix: a week-by-week plan that follows the varenicline label, with what to log for cravings, side…
-
How Much Do You Spend on Cigarettes a Week? Calculator
How much do you spend on cigarettes a week? A per-day-count calculator with 2026 pack prices, plus monthly and annual totals and…
-
Is It Harder for Women to Quit Smoking? What Studies Show
Is it harder for women to quit smoking? What studies show on relapse, stress cravings, weight worries, NRT vs varenicline, and choosing…
-
Does Quitting Smoking Increase Testosterone? The Data
Quitting does not raise testosterone — smokers already measure higher than non-smokers. See the research on why, and what really improves after…
-
Writing a Goodbye Letter to Cigarettes: How and Why
A goodbye letter to cigarettes can mark your quit date. See what writing research shows, answer three questions and use our fill-in…
-
How to Taper Off Nicotine Gum: A Step-Down Plan 2026
How to taper off nicotine gum after months of use: three step-down methods, a worked 6-week schedule, and what withdrawal feels like…
-
Is Smoking Worse Than Drinking? Health Risks Compared
Is smoking worse than drinking? Deaths, safe limits, cancer, heart and liver risks compared with WHO and CDC data, plus why using…
-
COPD Statistics 2026: Prevalence, Deaths and Smoking
2026 COPD statistics: global, US and UK prevalence, deaths, undiagnosed cases, and how much smoking causes—sourced from WHO, CDC and Asthma +…
-
How to Get Rid of Nicotine Stains on Fingers and Nails
How to get rid of nicotine stains on fingers and nails: safe cleaning steps, what never to use, how long nails take…
Ready to start your smoke-free plan?
iQuit gives you a quit plan, craving SOS tools and a health timeline that shows your body recovering.