Health Challenges and Innovations

Featuring articles on pulmonary arterial hypertension, oral semaglutide and cardiovascular outcomes, giant-cell arteritis, the loss of subsidized drug coverage and mortality, and neutralizing venom toxins; a review article on cancer of unknown primary site; a case report of a man with fever, nausea, and respiratory failure; and Perspectives on primary care and the free market, federal cuts at the VA, the GINA gap, and the meaning of goodbye.