How to treat an ingrown toenail at home and when to see a doctor

Ingrown toenails can be caused by too-tight shoes, a fungal infection, or improperly cutting your nails.

10K toenail clippings needed for Canadian study on potential lung cancer risk

Scientists at the University of Calgary say they are looking for toenail clippings for a study looking into radon gas ...
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Your Toenails Can Reveal if You've Been Exposed to an Invisible Lung Cancer Cause

A radioactive gas that gets trapped in indoor spaces accounts for 3 to 14 percent of all lung cancers – and our toenails could reveal our long-term exposure to this gas. Radon, a colorless and ...
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Your Toenails Could Reveal If You’ve Been Exposed to This Invisible Cancer-Causing Gas

Radon is a colorless, odorless, radioactive gas that seeps from the ground as uranium decays in rocks and soil. Outdoors, it ...