President Trump is expected to take part in an announcement about autism in an event with Robert F. Kennedy Jr., his health secretary, at the White House. In a report set to be released Monday, federal health officials are expected to link rising rates of autism to the use of acetaminophen, the active ingredient in the common painkiller Tylenol. Scientists have studied a potential connection for years, but the research so far has yielded inconclusive results.

See Full Page