He wrote a syndicated medical advice column that appeared in McCall's magazine for many years, and was the author of several books.
Nolen's best-known book is The Making of a Surgeon, which continues to be a popular (though now dated) narrative about his experiences as an intern and resident surgeon-in-training at Bellevue Hospital in New York City.
[citation needed] Nolen conducted research at a 1967 Kathryn Kuhlman fellowship in Philadelphia, with 23 people who claimed to have been cured during her services.
[7][8] Furthermore, "one woman who was said to have been cured of spinal cancer threw away her brace and ran across the stage at Kuhlman's command; her spine collapsed the next day, according to Nolen, and she died four months later.
He spent two years examining faith healers and concluded that no patients with organic disease had been cured.