In mice, seeing and smelling food causes immediate cellular changes that ready the liver to convert incoming amino acids to proteins.

The coming legalization of recreational marijuana is already increasing funding for studies, but regulations on such research have been slow to change.

Directly activating a heat sensor also sensitive to capsaicin in chili peppers in the hypothalamus had the same effect as exercise.

A protein secreted by osteoblasts crosses the blood-brain barrier to regulate hunger in mice.

The tendency of Labrador retrievers to overeat is tied to their genes, researchers report.

A hormone made in the liver controls how much sugar mice eat, according to a study.

A second patient taking an experimental medication to treat Prader-Willi Syndrome has died of blood clots.

A single nucleotide polymorphism in BDNF is tied with lower levels of the protein and higher body-mass index.

Weight-loss drugs that target newly characterized obesity-related receptors and pathways could finally offer truly effective fat control.