According to the World Health Organization’s (WHO) recent technical meeting report, “Measuring Physical Activity in Adults Using Wearable Technologies: Report of a Scientific Meeting, 10–12 June 2025, Montreal, Canada” global experts are urgently refining how wearable technologies measure physical activity and sedentary behaviour. These devices offer a window into population-level trends and personal lifestyles, yet the science must keep pace with innovation.
As per the National Institutes of Health (NIH) perspective, the promise of wearables extends far beyond counting steps. NIH-led studies show that when a smartwatch streams continuous personal health data, heart rate, movement, sleep cycles — researchers and clinicians can detect subtle changes long before symptoms surface, even spotting early signs of infection or stress-induced physiological shifts.
Moreover, a large NIH survey found that almost one in three adults uses wearable devices to track health, and many are willing to share these insights with doctors, opening a bridge between personal tech and clinical care.
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