Painkiller in human saliva
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• 01/17/24
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samer kareem
10 সাবস্ক্রাইবার
Natural painkiller found in human spit. Compound in saliva could be more powerful than morphine. A new painkilling substance has been discovered that is up to six times more potent than morphine when tested in rats — and it's produced naturally by the human body.
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