Rebecca Haffajee is a professor in the Department of Health Policy and Management at the Yale School of Public Health. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. R.L. Haffajee, R.A. Mikos, and Z.D. Cooper. Marijuana Rescheduling — A Game Changer for Research? N Engl J Med 2026;395:729-731.