![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2024/07/16x9_ht-rate-variability-post_Feature-image_shutterstock_141652744-fotor-20240729141143.jpg)
International
Mayo Clinic Healthcare expert explains what it means – and what to do with the information LONDON — Wearables measure several aspects of health, and[...]
Latest stories
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2016/11/a-middle-aged-woman-with-glasses-holding-a-pencil-and-resting-her-head-on-her-hand-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2018/06/a-medical-illustration-of-glioma-1X1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2019/01/shutterstock_495578068_Fotor-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2019/01/REVISED_Business-man-at-desk-with-back-pain_shutterstock_571081675_Fotor-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2019/08/shutterstock_726010270_Fotor-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2018/05/shutterstock_173312420_Fotor-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2019/03/shutterstock_346905479_Fotor-1x1.jpg)
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2016/11/a-woman-cooking-in-a-kitchen-with-a-wide-variety-of-healthy-food-choices-on-the-counter-vegetables-1x1.jpg)
Explore more topics
Sign up
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2022/07/img30.jpg)
Mayo Clinic Connect
An online patient support community