Weightlifting beats running for blood sugar control, researchers find (2025)
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Weightlifting outperforms running for blood sugar control in obese mice.
Virginia Tech researchers published in the Journal of Sport and Health Science that resistance training improved insulin sensitivity more than endurance exercise in mice fed a high-fat diet. The study compared effects of running versus weightlifting in models of obesity and Type 2 diabetes.
What commenters are saying
Many commenters note this is a mouse study, questioning why exercise wasn't tested in humans given the expense and difficulty of human RCTs. Some point to selection effects in human observational studies. A user recommends continuous glucose monitors for personal experimentation, while others argue non-diabetic blood sugar is boring. Several commenters share personal preferences for weightlifting over running, with one noting powerlifting improved health metrics and running performance.