Thousands of firearm injuries occur in the United States each year, but the likelihood of such injuries appears to drop substantially when gun enthusiasts hold large national meetings, according to research led by Harvard Medical School. The results, published March 1 in The New England Journal of Medicine, show a 20 percent decline in gun injuries nationwide during the dates of the National Rifle Association’s annual convention.

Link to full HMS release on study led by MGH physician Anupam Jena.