(Alex Wong | Getty Images)The Trump administration is expected to assert later today that use of acetaminophen — the active ingredient in Tylenol — can increase the risk of autism when used during pregnancy, despite the fact that scientific research has not conclusively demonstrated a causal link. White House officials are also expected to suggest that a form of vitamin B that is typically used in conjunction with cancer treatment could be used to treat autism. HHS responds to report about autism and acetaminophen A report that health secretary Robert F. Kennedy, Jr. has promised will come out this month will look at the causes of autism. Autism has long been a target for Health and Human Services Secretary Robert F. Kennedy Jr. In addition, scientists agree that genetics play a central role in a child’s risk of developing autism.