Could people with Type 1 diabetes one day replace insulin with leptin? A research team at UT Southwestern has had promising results with animal studies and now is laying the groundwork for testing it ...

Leptin, a protein secreted by fat cells, may be an independent risk factor for heart disease in humans, according to an article in Circulation: Journal of the American Heart Association. Leptin, a ...

Obesity is often a combination of genetic and lifestyle factors. Genetics can influence metabolic pathways, appetite control, and energy storage. Leptin resistance can lead to increased appetite and ...

Cocaine is habit-forming because of its ability to enhance dopaminergic neurotransmission in the forebrain. In addition to neuronal inputs, forebrain dopamine circuits are modulated by hormonal ...

A long run feels the worst until it feels the best. That’s primarily thanks to the runner’s high — those euphoric feelings that strike halfway through an endurance workout. Now, researchers have ...