Nokia Bell Labs are working on a earbud (i.e. earable computing) that does (indirectly) blood pressure sensing by using PPG sensors. https://dl.acm.org/doi/ab

Nokia Bell Labs are working on a earbud (i.e. earable computing) that does (indirectly) blood pressure sensing by using PPG sensors. https://dl.acm.org/doi/abs/10.1145/3572864.3580341 https://dl.acm.org/doi/abs/10.1145/3572864.3580341