Spy cameras could soon know what we’re thinking and feeling simply by scanning our BODIES – and there may be no way to opt-out

The data we share with companies online has become a hot-button issue, but new technologies could soon be scanning us as we go about our day.

That’s the claim made by a neuroscientist, who believes that devices in the real world will start gathering unprecedented levels of information about us.

Our bodies give off various signals that can be scanned and analysed by advanced computer systems, revealing everything from our current mood to our overall health.