Game, set, monitor: how glucose tracking became big medical IoT (opens in new tab)

When Alexander Zverev walked off court after his semi-final defeat to Taylor Fritz at the Halle Open, the explanation was not tactical, physical, or psychological. It was data. According to Reuters, Zverev said a malfunctioning medical glucose sensor left him unwell during the match, disrupting his performance at a critical moment in a three-set contest.…