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Pill Could Radio Doctors About Gut Health

A pill could soon radio signals from inside your gut to help doctors diagnose diseases from ulcers to cancer to inflammation, according to a new study. Scientists have developed a small, ingestible capsule that mixes synthetic biology and electronics to detect bleeding in the digestive tract. The system can be adapted for a range of medical, environmental and other uses, the researchers say. The biological part of the pill uses bacteria engineered to glow when exposed to heme, the...

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