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Why Does Parkinson’s Disease Effect Women And Men Differently?

There is growing evidence that Parkinson’s disease (PD) affects women and men differently. In a new review[1] scientists present the most recent knowledge about these sex-related differences and highlight the significance of estrogens, which play an important role in the sex differences in PD. “It is becoming increasingly evident that PD differs in women and […]

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 […]