No one likes being jabbed with a needle. Some people can't stand it at all. According to research in the Journal of Family Practice, at least 20% of Americans have needle phobia, and as a result, many skip critical preventive procedures like vaccines and flu shots. That's a public-health problem.
But painful injections might soon be a thing of the past. Along with fellow students Andy Zhang and Mike Hua, 19-year-old Rice University computer science undergrad Greg Allison has invented the Comfortably Numb, a new device that makes getting an injection practically painless.
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