"A newly discovered hormone produced in response to exercise may be turning people’s white fat brown..."

"... Brown fat, as many of us have heard, is physiologically desirable. While white fat cells are essentially inert storehouses for fat, brown fat cells are metabolically active. They use oxygen and require energy. They burn calories."

This study confirms what the experts— and many promoters of the healthy-looking lifestyle — dearly want to believe. I'm skeptical.