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This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.

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If you're plagued by werewolves, reach for the silver.

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And more mundane health problems may also respond well to the silver solution.

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Because a new study shows that microbes exposed to a pinch of the precious metal become more vulnerable to antibiotic attack.

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The research is in the journal Science Translational Medicine.

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Silver's long been a medical treatment.

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Hippocrates himself applied it to open wounds.

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But its use as a cure for contagion fell by the wayside with the discovery of penicillin, and the source of its bug-blasting abilities remained a mystery.

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Until now.

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Researchers treated E.coli bacteria with small amounts of silver.

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They found that the metal messes with the bugs' proteins, wreaking havoc on their metabolism.

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It also generates reactive chemicals that attack the microbes from within.

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All this weakens the bacteria's defenses, which allows other, more conventional antibiotics to slip in and do their work.

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Even killing microbes that were formerly antibiotic resistant.

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Mice with fatal infections were also saved with a silver and antibiotic combo, and at doses that did the sick rodents no harm.

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This silver was delivered by injection.

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For werewolves, the preferred silver delivery system is still the bullet.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.

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