Smartwatches and health devices may inaccurately monitor health metrics for individuals with darker skin tones due to the use of green light.

Research led by Dr. Vanessa Volpe at North Carolina State University indicates that smartwatches and health devices may not accurately monitor health metrics like heart rate and blood pressure, particularly for individuals with darker skin tones. The devices use green light for measurements, which can reflect differently on varying skin tones, leading to inaccuracies. Additionally, privacy concerns exist regarding the potential for third-party access to user data. Users should be mindful of these limitations.

September 29, 2024
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