Mood·3 min read

These overlooked brain cells may control fear and PTSD

By InsideWellness Editorial · April 4, 2026

Originally published by ScienceDaily Stress.

Astrocytes, once thought to be mere brain “support cells,” are now revealed to be key players in fear memory. Researchers found they actively help form, recall, and weaken fear responses by interacting with neurons in real time. Changing astrocyte activity directly altered how strong fear memories became. This breakthr

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InsideWellness Editorial

Our editorial team curates and writes on wellness research, beauty science, and evidence-backed lifestyle insights. See our editorial standards for how we source and review content.

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