Health officials in the Trump administration announced Thursday two proposed rules that would effectively ban gender-affirming care for transgender young people, even in states where it is legal, such as Maine. Health and Human Services Secretary Robert F. Kennedy Jr. and Dr. Mehmet Oz, administrator of the Centers for Medicare and Medicaid, announced the proposed rules at an event on Thursday, saying gender-affirming care imposes “lasting harm” on children. “This is not medicine.