Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun’s surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy ...

Pre-existing mental illness and guideline-concordant treatment for breast cancers among older women. This is an ASCO Meeting Abstract from the 2022 ASCO Quality Care Symposium. This abstract does not ...

Cell-free expression (CFE) systems are a staple of biomanufacturing, but their variability–even when identical protocols are followed–can affect qualitative assessments of genetic components. The ...

Wide variation in the way clinical services are provided to similar patients for similar visit types results in highly variable costs but similar clinical outcomes. Objective: To identify optimal ...

https://urldefense.proofpoint.com/v1/url?u=http://adsabs.harvard.edu/abs/2014ApJ...784...92M&k=di ZKtJPqj4jWksRIF4bjkw%3D%3D%0A&r ...