It is well known that business owners use KPIs (key performance indicators) to track and understand the health of their business and marketing efforts. Much like running a business, those planning for ...

We count steps, track miles, and close our rings. Athletic metrics have infiltrated everything from viral #FitTok videos to biometric-tracking devices. But when our devices remind us we haven’t hit ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...