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1 .This is Scientific American 60-Second Science. I'm Gretchen Cuda Kroen. Got a minute?
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2 .Sharing syringes is a big no-no.
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3 .But despite the warnings, needle sharing among injection drug users is still a significant cause for the spread of HIV and other infectious diseases.
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4 .But HIV transmission due to needle sharing could be nearly eradicated by merely changing the design of the syringe.
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5 .So says a study in the International Journal of Drug Policy.
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6 .When the plunger on a syringe is fully depressed, a small amount of fluid stays trapped in what is known as the "dead space."
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7 .By reducing the amount of dead space in the syringe design, researchers say they can reduce the amount of infectious blood trapped inside by a factor of a thousand,
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8 .and thus vastly reduce the numbers of viral particles available to spread disease.
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9 .Using a simulation model, the authors found that switching to low-dead-space syringes could reduce annual HIV infections from syringe sharing to nearly zero within eight years.
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10 .Although there are still a number of barriers to making low-dead-space syringes available worldwide,
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11 .the authors say this low-cost intervention could help keep drug users--and their families--disease free.
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12 .Thanks for the minute, for Scientific American 60-Second Science. I'm Gretchen CudaKroen.
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