(University of Pennsylvania School of Medicine) The pending termination of DACA may reverse these mental health benefits for the 800,000 DACA beneficiaries, and trigger a public health crisis, according to an essay in the New England Journal of Medicine, co-authored by Atheendar. S. Venkataramani, MD, PhD, an assistant professor of medical ethics and health policy at Perelman School of Medicine at the University of Pennsylvania.