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Quit-smoking science from a pulmonologist.

Evidence-based guides on smoking cessation, craving neuroscience, lung recovery, and the AI coaching frameworks behind FreeAir Coach — written and reviewed by a board-certified pulmonologist who treats smoking-related lung disease in active practice.

The First 72 Hours After You Quit Smoking
Recovery Timeline · Featured

The First 72 Hours After You Quit Smoking: A Pulmonologist’s Hour-by-Hour Breakdown

Hour by hour, what actually happens in your blood, lungs, and brain during the hardest 72 hours of any quit. Carbon monoxide clearance at hour 8. The 24–48 hour withdrawal peak. The turn at hour 72. And what gets you through.

May 12, 2026 · ~10 min read Read →
How to Handle Smoking Cravings
Cravings Guide

How to Handle Smoking Cravings: The 5-Minute Rule and What Actually Works

A craving lasts five minutes. The peak is 1–3 minutes in; the trail is another 2–3. You don’t have to outlast the urge for an hour. The neuroscience, the DEADS protocol, trigger-specific strategies, and what to do after a slip.

May 6, 2026 · ~12 min read Read →
A Pulmonologist’s Perspective
Founder’s Perspective

The Doctor-Recommended Quit Smoking App: What a Pulmonologist Knows

Most quit-smoking apps were built by tech founders, behavioral researchers, or ex-smokers. None are wrong — none have direct ICU pulmonology signal. Here is what a doctor who treats smoking-damaged lungs every day sees that generic cessation apps miss.

May 6, 2026 · ~14 min read Read →
More posts coming. Vaping vs smoking, what’s actually in cigarette smoke, quitting with COPD, and quitting with high blood pressure — on the calendar. Want a topic covered? Email admin@freeaircoach.com.

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