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A rattlesnake tale is examined at the Phoenix Herpetological Society in Scottsdale. (Photo by Michelle Minahen/Cronkite News)

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UA doctor’s drug could buy time between rattlesnake bite and anti-venom treatment

As soon as a rattlesnake sinks its fangs into a victim, the venom starts traveling through the bloodstream. Within seconds, people can experience pain, swelling, bleeding and trouble breathing.