Google has been awarded a patent for a wrist wearable that uses an "energy source" to target blood cells containing substances linked with Parkinson's or cancer.

The Nanoparticles Phoreses patent filed with the World Intellectual Property Organisation (WIPO) follows previous forays by Google into cancer research, including the development of a pill that detects cancer.

The latest wristband design would work targeting unhealthy blood cells by emitting the energy source, most likely in the form of radio-frequencies, an acoustic pulse, a magnetic field, or infrared or ultrasound signals.

The energy transmitted would then "automatically modify or destroy targets in the blood that have an adverse health effect," according to the patent...
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