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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute?

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A lethal dose of cyanide can take your life in minutes.

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It kills by blocking your cells' use of oxygen, suffocating the body and brain.

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There are FDA-approved antidotes, but they're served up via intravenous injection.

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Just imagine paramedics hooking up IVs for 10,000 convulsing and comatose commuters--as might have been necessary if a 1995 cyanide attack in Tokyo had worked.

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Now researchers have come up with what may be a better antidote.

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Called sulfanegen TEA, it's injected intramuscularly, faster and easier than an IV.

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The antidote works by supplying more of the chemical precursor our bodies naturally use to detoxify cyanide.

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After all, we already break down trace amounts of cyanide from apple seeds, spinach and cigarette smoke.

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This shot just amps up that process.

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It's detailed in the Journal of Medicinal Chemistry.

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Of course, antidotes only work if you know you've been poisoned--not the case for the seven people murdered by the Tylenol poisoner in 1982.

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But if terrorists did release cyanide gas in the subway or another public place, this new antidote might give us a shot at saving more lives.

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Thanks for the minute, for Scientific American's 60-Second Science. I'm Christopher Intagliata.

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