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This shows a person scratching their arm.

·February 21, 2026·6 min read

How the Brain Knows When to Stop Scratching an Itch

Ever wondered why you stop scratching? Scientists have found the nervous system's internal "brake" that tells your brain when you've scratched enough.

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How the Brain Knows When to Stop Scratching an Itch

Rethinking Vibration as an Emotional Language

Immature Neurons and the Secret to Alzheimer’s Resilience

Molecular Trigger for Alzheimer’s Brain Inflammation Found

Early-Life Metal Exposure Linked to Adolescent Brain Health

How the Brain Knows When to Stop Scratching an Itch

Rethinking Vibration as an Emotional Language

Immature Neurons and the Secret to Alzheimer’s Resilience

Molecular Trigger for Alzheimer’s Brain Inflammation Found

Early-Life Metal Exposure Linked to Adolescent Brain Health

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