Original sentence: One doctor, declining to be named for a news article, indicated that he treats some patients by placing a cast over the affected area of skin, protecting it from prevent further irritation, which results in healing in a matter of weeks
Edited sentence: One doctor, declining to be named for a news article, indicated that he treats some patients by placing a cast over the affected area of skin, protecting it from the patient's scratching, which results in healing in a matter of weeks.This lends weight to the theory that perceived skin abnormalities interpreted as the manifestation of Morgellons are a side-effect of habitual scratching