Original sentence: Quackpotwatch - website critical of Quackwatch and Dr.Quackwatch is an Internet guide to supposed quackery and health frauds operated by Stephen Barrett, M.The site contains articles detailing a variety of therapies with explanations of why they may be unscientific, purported evidence on why they do not work, and how they could be (or in some cases have been) dangerous
Edited sentence: Quackwatch is an Internet guide to quackery and health frauds operated by Stephen Barrett, M.The site contains articles detailing a variety of purported therapies with explanations of why they are unscientific, evidence on why they do not work, and how they could be (and in some cases have been) dangerous