Health Officer Lisa Hernandez described the current COVID-19 situation in Santa Cruz County as "simmering," indicating that while cases are present, they remain manageable and have not overwhelmed the local health system.
As the quantified self movement has grown, it raises critical questions regarding the actual accuracy of consumer wearable devices in measuring personal health metrics. Our umbrella review shines a light on these devices' performance in tracking heart rate and other key parameters, revealing a broad range of accuracy that varies according to several external factors.