“I’ve fallen and I can’t get up” has been seared into many of our brains since at least the late ’80s, when the famous LifeCall commercial made its TV debut. Although it became the butt of many ...
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. Sprint interval ...
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