Original sentence: Quackwatch is a voice of reason on everything from the effectiveness of alternative medicine to the validity of popular diet gurus, and the various kinds of medical quackery that are being marketed to consumers
Edited sentence: Journalist John MacDonald, writing for the Khaleej Times, called Quackwatch "a voice of reason on everything from the effectiveness of alternative medicine to the validity of popular diet gurus, and the various kinds of medical quackery that are being marketed to consumers"