WASHINGTON — Rep. Haley Stevens of Michigan, a Democrat running for Senate, filed articles of impeachment Wednesday against Health Secretary Robert F. Kennedy Jr., making an all but certainly futile bid to charge him with undermining public health, diminishing decades of scientific and medical progress and imperiling the health of the American people.

In accusing Kennedy of an assault on the public health system that constitutes high crimes and misdemeanors, Stevens said the secretary had delayed biomedical innovation through the “far-reaching” and “haphazard” termination of working scientists. She cited Kennedy’s cancellation of $8.9 billion in federal research grants and said he was “chilling medical innovation, including lifesaving clinical research” in what amounted to a violation of

See Full Page