Original sentence: Critical analysis.However, others suggest that asthma is greatly effected by general mental state, and relaxation of any form is known to be fairly effective.In particular the reason for Buteyko's success against asthma is claimed that it increased CO2, yet asthma sufferers are noted for increased levels of CO2 during attacks as a side effect of the inability to complete breath out, a method that suggests improvement by making this problem worse seems unlikely to work.No scientific evidence has been presented to suggest this is anything but another placebo.Theory behind the Buteyko Techique.When faced with difficulties such as these, Buteyko supporters are quick to provide a number of personal testimonials
Edited sentence: In particular the "reason" for Buteyko's success against asthma is claimed that it increased CO2, yet asthma sufferers are noted for increased levels of CO2 during attacks as a side effect of the inability to complete breath out, a method that suggests improvement by making this problem worse seems unlikely to work.When faced with difficulties such as these, Buteyko supporters are quick to provide a number of personal testimonials, however asthma is greatly effected by general mental state, and relaxation of any form is known to be fairly effective, and no evidence has been presented to suggest this is anything but another placebo