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    Stroke triggers a hidden brain change that looks like rejuvenation

    March 30, 2026, Categories  Health/Medical, Biology/Biotechnology

    Stroke May Rejuvenate the Brain
    When a stroke damages brain tissue along an important movement pathway, the injured side of the brain may show faster aging (red), while parts of the opposite side may appear relatively “younger” (blue) as the brain tries to compensate. This pattern is linked to more severe movement problems and less recovery. Credit: Stevens INI

    Stroke may secretly “rejuvenate” parts of the brain as it fights to recover.
    After a stroke, the brain may do something surprisingly hopeful—it can “refresh” parts of itself. Researchers analyzing brain scans from over 500 stroke survivors found that while the damaged side of the brain appears to age faster, the opposite, unaffected side can actually look younger...

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