EditorialKris Nordberg, who has been rendered legally blind by a rare vascular condition, on her e-bike at Forsberg Iron Springs Park in Lakewood, Colo., Feb. 18, 2022. (James Stukenberg/The New York Times)
EditorialClay Coleman Jr. saw a clinical trial as a way to treat his peripheral artery disease, which caused intense pain whenever he tried to walk. (Sebastian Hidalgo/The New York Times)