How Exercise Can Make for Healthier Fat

A single session of exercise may change the molecular workings of fat tissue in ways that, over time, should improve metabolic health.

…biopsies showing less inflammation and scarring than in the fat from other overweight men and women. (This fat was subcutaneous, meaning it came from just beneath the skin.)

Presumably, the scientists speculated, this robust fat was leaking less than the frailer variety.

Source: How Exercise Can Make for Healthier Fat