In mice, sympathetic nerves facilitate the "beigeing" of white fat to replace lost brown fat in cold temperatures.

Understanding how brown fat filters amino acids could lead to treatments for obesity and type 2 diabetes.

A stealthy new drug delivery system gets chemotherapy drugs behind enemy lines by disguising them as fat.

Why are humans "the fat primate"? Because of changes in DNA packaging that curbed our body's ability to turn white fat brown, say researchers.

Different types of fat cells may help identify people at the greatest risk of health problems due to obesity.

Cholesterol-fighting statins cut the formation of "good" brown fat tissue, but researchers warn against ignoring the drugs' benefits.