Image of the fly brain (grey) highlighting the population of neurons (pink) to which the gut-secreted peptide CCHa1 signals

A Protein-Rich Diet Helps Mice and Flies Sleep More Soundly: Study

The effect appears to be mediated by a gut-secreted peptide that signals to neurons in the brain that modulate the response to mechanical vibrations.

A Protein-Rich Diet Helps Mice and Flies Sleep More Soundly: Study

The effect appears to be mediated by a gut-secreted peptide that signals to neurons in the brain that modulate the response to mechanical vibrations.

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The Hunt for a Blood Test for Alzheimer’s Disease

Shawna Williams | Dec 1, 2019 | 10 min read

Researchers hope circulating biomarkers will enable earlier detection and better monitoring of the neurodegenerative disorder—and perhaps help usher in new treatments.

NPSR1 Variant Linked to Less Sleep in People: Study

Emily Makowski | Oct 16, 2019 | 2 min read

“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.