One thing though is that I'm a pastey white guy. Since the wrist heart monitor is essentially looking at your veins it might be more accurate for someone like me who you can literally see through.
Perhaps one of those unintended racist technologies like face apps that couldn't recognize minorities.
EDIT: Yep, looks like it's been researched
https://www.statnews.com/2019/07/24/...acy-dark-skin/
Quote:
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Originally Posted by Fitbits and other wearables may not accurately track heart rates in people of color
“We could see that there [were] some differences in accuracy between, for example, different skin types and skin colors,” said Mikael Mattsson, a senior researcher at Sweden’s Karolinska Institutet and an author on one of the only papers to examine the link between heart rate tracker accuracy and race. |