That night McGee tried Wim Hof’s heavy breathing technique. “For the first time in a long time, I slept peacefully,” he told me. He signed up for Hof’s ten-week video course, and within weeks watched as his insulin levels normalized, pain subsided, and blood pressure plunged. He quit taking enalapril and reduced his insulin intake by around 80 percent. He still took ibuprofen, but only a pill or two once a week.
