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
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Health and wellness
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