Latest posts
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Chest Tightness After Smoking: Possible Causes and When to Seek Care
Chest tightness after smoking can come from many different sources, including the lungs, the heart, the airways, muscles, and even anxiety or nicotine withdrawal. Doctors cannot tell which one is causing your symptoms just from a description of how it feels. If your chest tightness is severe, sudden, or comes with other warning signs listed…
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Smoking and Wound Healing: Why Recovery Takes Longer and What Surgeons Check
How Smoking Affects Wound Healing After Surgery Smoking slows wound healing because it narrows blood vessels and lowers the amount of oxygen your blood can carry to healing tissue. Less oxygen and blood flow at the wound site means cells repair more slowly, which raises the risk of infection, poor scarring, and other complications after…
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Lung Nodules and Lung-RADS: What Screening Results Can Mean
What Does a Lung Nodule on a Screening Scan Mean? In This Article What Does a Lung Nodule on a Screening Scan Mean? Call Your Doctor Right Away If You Notice These Signs Why Lung Nodules Are a Common Finding What Is Lung-RADS? Who Should Be Screened for Lung Cancer? A Simple Decision Path After…
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Workplace Dusts, Fumes and Smoking: How to Reduce Combined Lung Exposure
If you smoke or vape and also work around dust, fumes, or other airborne hazards, your combined lung exposure is higher than either factor alone. You can lower that combined risk by using your employer’s required engineering controls first, wearing a properly fitted respirator when one is required, tracking your job exposures over time, and…
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Smoking, Nicotine and Sleep: Why Nights Can Change During Quitting
How Nicotine and Quitting Affect Sleep In This Article How Nicotine and Quitting Affect Sleep Get Help Right Away If You Notice These Signs Why Nicotine Disrupts Sleep in the First Place What Changes Overnight and During the Early Days of Quitting Sleep Support Checklist During a Quit Attempt Evidence Limits and Extra-Caution Groups Frequently…
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Indoor PM2.5 Monitors: What the Readings Mean and What They Miss
What a PM2.5 Reading Actually Tells You In This Article What a PM2.5 Reading Actually Tells You When to Get Medical Help Right Away Where Indoor PM2.5 Actually Comes From Why Readings Spike, Then Fall Sensor Placement Changes the Number Indoor Reading vs. Outdoor AQI: What’s the Difference What a Low-Cost Monitor Does Not Tell…
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Mucus, Cilia and the Cough Reflex: How Airways Clear Irritants
In This Article Mucus, Cilia and the Cough Reflex: How Airways Clear Irritants What Actually Happens Every Time You Breathe How the Cough Reflex Fits In How Smoke Interferes With This System Normal Clearance vs. Smoke-Affected Clearance Checklist: Signs Your Airway Clearance System May Be Under Strain What This Does and Doesn’t Tell You Frequently…
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Pulse Oximeter Basics: What the Number Measures and What Can Make It Wrong
Answering the Question First In This Article Answering the Question First Warning Signs That Need Care Right Away What the Numbers Actually Mean What Can Make a Reading Inaccurate Checklist: Getting a More Reliable Reading Two Different Categories of Device People Who Should Use Extra Caution Evidence Limits Frequently Asked Questions Related Reading Educational Disclaimer…
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Spirometry Numbers Explained: FEV1, FVC and the FEV1/FVC Ratio
What FEV1, FVC and the FEV1/FVC Ratio Mean In This Article What FEV1, FVC and the FEV1/FVC Ratio Mean When to Get Help Right Away Why the Test Asks for Your Hardest Breath The Three Core Numbers, Side by Side What Can Make a Test Less Accurate Before-Your-Test Checklist Why Interpretation Needs the Full Picture…
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What Cigarette Smoke Contains: Combustion, Fine Particles, Tar and Carbon
What Is Actually In Cigarette Smoke? In This Article What Is Actually In Cigarette Smoke? Get Emergency Help First If You Notice These Signs Why Burning Tobacco Produces a Complex Mixture, Not One Chemical Fine Particles: What Makes Smoke Look and Feel the Way It Does Tar: The Residue Left Behind Carbon Monoxide: A Gas…