Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

Ghrelin is a hormone your stomach makes that signals your body when you're hungry. You might think of it as an "on switch" for appetite. Your small intestine, pancreas, and brain also release small ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.

Ever wonder why you feel like crying over a pet food commercial one day but can watch a tearjerker movie completely unfazed the next? Or why your weight seems to fluctuate despite eating the same ...