Lack of regular physical exercise is recognized by the American Heart Association as one of the key heart disease risk factors, and it is assumed that cardio exercise (walking, jogging, swimming, etc.
Steady-state cardio has fitness influencers in a chokehold. But now some are questioning whether it’s actually the smartest ...
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 ...
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