Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 2, 2025 Add as a ...

I’m a personal trainer who's tested products for five years. I wore the Oura Rig 4 nonstop for six weeks to see if it's worth the investment. After wearing this ring all day, every day for over a ...

New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. A wearable you will actually want to wear. The ...