A study just published in JAMA Psychiatry has made some waves with its conclusions that women with autism are much more likely than women without autism to have a “male brain.” The study findings do not, however, live up to the breathless headlines or to claims of one of its authors, Simon Baron-Cohen, who excitedly tweeted that “79.6% of women with autism have a male brain, and women with a male brain are 3 times more likely to have autism.”