Strength training causes fat cells to shrink even before weight loss, study suggests

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A study from the State University of Campinas found that just seven days of strength training in obese mice reduced fat cell size and increased visceral fat burning, even before measurable weight loss. This suggests early cellular metabolic benefits of strength training relevant to obesity.

Just seven days of strength training increased visceral fat burning in obese mice, even before any weight loss could be seen on a scale. In an experiment conducted at the State University of Campinas (UNICAMP), researchers observed that a short period of strength training activated mechanisms involved in fat breakdown, reduced fat cell size and decreased fat around the animals' intestines.