![How to not get upset when I don't understand the why of a situation [closed]](https://cdn.sstatic.net/Sites/workplace/Img/apple-touch-icon@2.png?v=d39b333f5c58)
![[FREE EBOOKS] Machine Learning Hero, AI-Assisted Programming for Web and Machine Learning & Four More Best Selling Titles](https://www.javacodegeeks.com/wp-content/uploads/2012/12/jcg-logo.jpg){kind=logo}
.jpg)
This quick ratio can tell you ‘how badly your heart is doing’ — all you need is a smartwatch
Researchers have developed a new metric using data already collected by your smartwatch that can assess cardiovascular fitness, potentially providing an early warning sign for heart disease risk.
Researchers have developed a new metric using data already collected by your smartwatch that can assess cardiovascular fitness, potentially providing an early warning sign for heart disease risk.
