CHIMNEY ROCK, N.C. — Authorities say Dr. Jeff Bradstreet, who published research based on the medically disproved claim that vaccines cause autism, has been found dead in an apparent suicide in North Carolina. The Rutherford County Sheriff’s Office said in a news release issued this week that Bradstreet died of what appears to be a self-inflicted gunshot wound to the chest. Bradstreet, who was from Braselton, Georgia, was found in the Rocky Broad River in Chimney Rock on June 19. His body was found by a fisherman. The sheriff’s department said Tuesday that a handgun was also pulled from the...