Air Pollution: What PM2.5 Does and What Actually Protects You
AQI numbers, what the particles do inside the body, which masks work, and whether air purifiers are worth the money.
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Lungs & Breathing
Asthma, COPD, chronic cough, air quality and breathlessness explained.
A Cough That Will Not Go Away: Working Through the Causes
Most chronic cough comes down to three or four causes, and cough syrup addresses none of them. How to narrow it down and what needs urgent investigation.
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Asthma: Why Inhaler Technique Matters More Than Which Inhaler
Most people with asthma use their inhaler wrong, which means the medicine never reaches the lungs. Preventer versus reliever, technique, and the red flags in an attack.
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