Breathe in, breathe out.
Oxygen goes in, carbon dioxide goes out. Sounds simple enough, but your respiratory system — composed of your lungs, trachea, sinuses, and sundry microscopic helpers — works a grueling 24/7 job just to keep your blood oxygenated, and your body alive. Learn all about the air you breath (and the respiratory organs that make it possible) here.
A man in China had a habit of walking home from work every day, taking off his socks and… taking a great big whiff of them, according to news reports.
A man in California surprised his doctors when he coughed up an unusual looking blood clot: It was in the shape of his lung.
Ancient organs rarely fossilize, so paleontologists were stunned to find the incredibly well-preserved remains of a lung that belonged to bird from the dinosaur age, a new study finds.
A persistent myth about milk — that drinking it can lead to the production of more gooey mucus in your body's airways — is completely false, a new review finds.
Tuberculosis is both deadly and difficult to test for. But a new paper suggests rats might make the illness easier to sniff out.
Lungs are an important part of the respiratory system. Adults take 15 to 20 breaths a minute, which comes to around 20,000 breaths a day.
A liposuction procedure turned nearly deadly for a 45-year-old woman in England, according to a new report of her case.
Most fish would be left high and dry during arid drought periods when bodies of water shrink and disappear — but African lungfish aren't most fish.
Some emergency-medicine doctors want to banish the phrase "dry drowning" because the term doesn't actually refer to any medically accepted conditions.
An elderly woman in Florida had oil in her lungs for decades from a now-outdated procedure she received to treat tuberculosis.
Colds and the flu may take a bigger toll on women than men, according to a new study based on people's reports of their own symptoms.
An elderly woman in Seattle died from an infection that she appears to have contracted from a horse she rode, according to a new report.
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