“[w]e challenged Well readers to take on the case of a 15-year-old boy with the worst headache of his life. I thought it was a fascinating case and apparently so did many of you. More than 120 readers offered some very thoughtful possibilities and nearly two dozen of you got it right. The correct diagnosis is…”

“The Challenge: Can you figure out what is giving this 15-year-old boy the worst headache of his life? Every month the Diagnosis column of The New York Times Magazine asks Well readers to take on a difficult case and offer their solutions to a real-life medical mystery. This month the story revolves around a healthy 15-year-old quarterback…