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A Worm Can Smell Cancer. That's the Idea Behind the At-Home Dog Test.

A Worm Can Smell Cancer. That's the Idea Behind the At-Home Dog Test.

One in four dogs will face cancer, and catching it early changes everything. A urine test that recruits microscopic worms is trying to make screening as routine as a senior checkup. Here's how it works, and what it can and can't do.
By Dr. Mara Chen · 7 min read
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