THE BLOOD INJECTIONS THAT MIGHT TRANSFORM ORTHOPEDIC (The New Yorker)
Chris Waddell has been an élite athlete for more than two decades. He has won twelve medals in downhill skiing, including five golds, in four Paralympic Games events; he was a world-record-holding wheelchair track sprinter; and, in 2009, he became the first paraplegic to climb Mt. Kilimanjaro, using his arms to power a customized four-wheeled cycle. Even at forty-five, Waddell, who was paralyzed in a college skiing accident, has a muscular, sharply defined upper body, the product of thousands of hours of training.
But all th...
