U.S. Health Secretary Robert F. Kennedy Jr. has pledged that the country’s top health agency will pinpoint the cause of autism by September, an announcement that sparked a wave of concern among medical experts and advocates, who question the feasibility and focus of the research. Kennedy — a longtime vaccine critic who has pushed a discredited theory that routine childhood shots cause autism — said Thursday that the effort will involve hundreds of scientists. He shared the plans with U.S. President Donald Trump during a televised cabinet meeting. Trump suggested that vaccines could beRead more