Original sentence: Nevertheless, they are very useful.There has been widespread discussion of the study, but it is generally accepted that the work is outstanding in its scope and duration and is considered very useful
Edited sentence: Care must taken when citing second-hand Framingham study results, as there exist multitudes of misinterpretations of the Framingham data that have led to a large number of widely popular but false conclusions with regard to cardiovascular disease.There has been widespread discussion of the study, but it is generally accepted that the work is outstanding in its scope and duration