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Does Osteocalcin, Not Adrenaline, Drive Fight Or Flight Response?

The “fight or flight” response, is commonly believed to be triggered in part by the hormone adrenaline. But a new study[1] from researchers at Columbia University suggests that bony vertebrates are not able to produce this response to danger without the skeleton. The researchers found in mice and humans that almost immediately after the brain […]

Ghrelin Makes Food Smells Harder To Ignore

The hormone ghrelin makes us more susceptible to appealing food smells, a phenomenon that encourages overeating and obesity, according to new research. Earlier work by Alain Dagher’s lab at the Montreal Neurological Institute and Hospital of McGill University and colleagues demonstrated that ghrelin encourages eating and the production of dopamine, a neurotransmitter that is important […]

FGF23: Hormone Linked To Structural Brain Deficits

The ways that high levels of a hormone called fibroblast growth factor 23 (FGF23) can reduce brain health have been uncovered by researchers at the Medical University of South Carolina (MUSC). High levels of FGF23 were associated with structural changes in the brain’s frontal lobes. High FGF23 levels are thought to lead to the vascular […]