Official recommendations vs. your goals.
Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Doing cardio daily can boost endurance, heart health, ...
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. January 12, 2026 Add ...
You arrive at the gym and find yourself at a familiar crossroads: Turn this way for the weight room, or that way for the cardio deck. You planned to do both—but which should you do first? Does it even ...
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