> Why don't we have that yet in today's smartwatches? Because it doesn't actually work for accurately tracking individual BP changes over time, though it may b

> Why don't we have that yet in today's smartwatches? Because it doesn't actually work for accurately tracking individual BP changes over time, though it may be useful for broad aggregates. https://ieeexplore.ieee.org/document/9630063 https://ieeexplore.ieee.org/document/9630063