Episode Details

Scientists have discovered a drug that can reverse autism-like brain changes in adult mice within hours—challenging the idea that such changes are permanent. Using rapamycin, researchers targeted an overactive brain pathway in mice whose offspring developed autism-like behaviors due to prenatal inflammation. A single dose improved brain overactivity, sensory sensitivity, and repetitive behaviors, revealing the adult brain’s surprising ability to adapt. While effects were temporary and repeated doses less effective, the breakthrough highlights a new therapeutic strategy: fixing brain function rather than structure. This could pave the way for future autism treatments focused on circuitry, not just anatomy.

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