I peered dubiously at the plastic disc in my hand, with its little needle protruding from the centre. I have no major beef with needles, but this was different – I had to somehow find the gumption to press it in, all the way, and leave it there.
The disc was a CGM biosensor (CGM meaning continuous glucose monitor), and once stuck on the skin, it would transmit real-time blood-glucose levels to an app on my phone. All very Buck Rogers.
