In this opinion piece for the San Francisco Chronicle, Juliana E. Morris, M.D., EdM, Monica Hahn, M.D., MPH, MS, and Eva Raphael M.D., MPH - family doctors at the Family Health Center of San Francisco General Hospital and UCSF - describe the health impacts of family separations under detention. "The deportation and detention machine is creating a public health and human rights crisis," say the authors, "it is imperative that we take action."