An experimental skin implant darkens like a mole when it detects subtle changes in the body that may be early warning signs of cancer. Photo: ETH Zurich

Tattoo or urine: two new early cancer detection methods announced separately

Scientists announce a biomedical skin implant that turns dark when it detects high levels of calcium caused by four types of tumour, and a urine test that detects eight cancers. Also in the news: a new definition of Alzheimer’s disease

Topic |   Health and wellness

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An experimental skin implant darkens like a mole when it detects subtle changes in the body that may be early warning signs of cancer. Photo: ETH Zurich
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