Original sentence: Scientists such as Edzard Ernst are critical of the claims made for Reiki because there is no scientific evidence for the existence of ki or of any mechanism for its manipulation, and the current evidence base does not support the use or recommendation of reiki for any condition
Edited sentence: Scientists such as Edzard Ernst are critical of the claims made for Reiki because the existence of ki and any mechanism for its manipulation are purely conjectural, and the current evidence base does not support the use or recommendation of reiki for any condition