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Synthetic Cancer Indicator: An Artificial Mole as an early warning system

As soon as the calcium level exceeds a particular threshold over a longer period of time, an implant inserted under the skin triggers the production of melanin. This causes a mole to form. (Simulated montage) Credit: ETH Zurich

As soon as the calcium level exceeds a particular threshold over a longer period of time, an implant inserted under the skin triggers the production of melanin. This causes a mole to form. (Simulated montage) Credit: ETH Zurich

Researchers have developed an early warning system for the 4 most common types of cancer. Should a tumor develop, a visible mole will appear on the skin. Alongside cardiovascular disease, cancer has become the top cause of death in industrialised countries. Many of those affected are diagnosed only after the tumour has developed extensively. This often reduces the chance of recovery significantly: the cure rate for prostate cancer is 32% and only 11% for colon cancer...

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