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Smiling or grimacing can reduce the pain of needle injection by 40% – News-Medical.Net

The coming of winter means cooler temperatures, shorter days and flu shots. While no one looks forward to a vaccination, a study led by the University of California,…

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The coming of winter means cooler temperatures, shorter days and flu shots. While no one looks forward to a vaccination, a study led by the University of California, Irvine, has found that either a sincere smile or a grimace can reduce the pain of a needle injection by as much as 40 percent.
A genuine, or Duchenne, smile – one that elevates the corners of the mouth and creates crow’s feet around the eyes – can also significantly blunt the stressful, needle-related physiological response by lowering…

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