Archive

Why researchers are adding glucagon receptor activity, what the clinical findings tell us, and why questions about muscle remain

How tirzepatide uses two hormone pathways to influence appetite, blood sugar, and weight.

How a hormone released after eating helps regulate blood glucose and eating, and how semaglutide extends its effects.

An animal study reveals how mechanical loading of bone can influence recovery after brain injury, opening questions about future human health care

Dopamine helps shape learning, motivation, effort and movement, but changes in drive or enjoyment rarely point to a single neurochemical cause.