When a stroke happens, the clock is ticking—brain cells start dying within minutes. Now scientists have found a promising shortcut: chemically induced hypothermia. In experiments across mice, monkeys, and human patients, controlled body cooling—achieved through medication rather than physical ice—reduced brain injury during strokes, according to io9. The approach works by slowing the metabolic cascade that damages neurons when blood flow stops. By buying time for emergency intervention, the technique could dramatically improve stroke outcomes. While still in early testing, the findings represent a potential breakthrough for patients where current treatments offer limited protection.

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