Original sentence: A 2011 systematic review of shiatsu's effectiveness found that only a few studies had been carried out, and concluded that the available evidence "was of insufficient quantity and quality".Commenting on this conclusion Edzard Ernst said: "what does that tell us about shiatsu.Ernst has previously been a co-author of the Oxford Handbook of Complementary Medicine which had concluded that there was no convincing data available to suggest that shiatsu was effective for any condition.It clearly tells us that it is an unproven therapy".Shiatsu is an implausible therapy, and there is no evidence of its effectiveness.Shiatsu practitioners promote it as a way to help people relax and cope with issues such as stress, muscle pain, nausea, anxiety, and depression
Edited sentence: " Shiatsu practitioners promote it as a way to help people relax and cope with issues such as stress, muscle pain, nausea, anxiety, and depression."Shiatsu is an implausible medical intervention.A 2011 systematic review of shiatsu's effectiveness found that only a few studies had been carried out, and concluded that "Evidence is improving in quantity, quality and reporting, but more research is needed, particularly for Shiatsu, where evidence is poor.Acupressure may be beneficial for pain, nausea and vomiting and sleep.However, like all massage techniques it may generate relaxation and a sense of wellbeing