This article is a transcribed, edited summary of a video Bob and Brad recorded in August 2024. For the original video, go to https://youtu.be/La7BAQKlXAk Brad: Oh ...

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. Curls are the classic ...