Researchers at Wake Forest University School of Medicine designed a flexible, chip-less, battery-free patch that is placed directly on the skin and works wirelessly with a small reader device. (Wake Forest University School of Medicine via SWNS)

By Stephen Beech

A new wearable patch can detect early signs of the deadliest form of skin cancer .

The wireless device allows screening of patients at home so melanoma can be caught sooner - potentially reducing the risk of unnecessary biopsies, say scientists.

American researchers developed the ground-breaking, battery-free patch that could potentially save lives by making screening more accessible and less invasive.

They explained that skin cancer , especially melanoma, is one of the most dangerous forms of the disease.

Early detection

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