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New study finds Apple Watch accurate for heart rate and steps but unreliable for calorie tracking.
A new study from the University of Mississippi analyzing 56 studies found that Apple Watches are highly accurate for tracking heart rate and steps, with average errors of 4.43% and 8.17%, respectively.
However, the device's calorie burn estimates are less reliable, with a 28% error rate.
While the Apple Watch's performance has improved over time, researchers suggest that it should not be relied upon for precise calorie tracking.
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Un nuevo estudio encuentra que el Apple Watch es preciso para la frecuencia cardíaca y los pasos, pero poco confiable para el seguimiento de calorías.