As my advisor always used to say. If you didn't include a control, you didn't do an experiment. It's that simple. THe results are promising, but you have to k

As my advisor always used to say. If you didn't include a control, you didn't do an experiment. It's that simple. THe results are promising, but you have to keep in mind what that really means. It means, we haven't proven that it doesn't work. SO there is a chance that it works and we don't know how big that chance is. It also means that we haven't proven that it causes more harm than good. So there is a chance that it does indeed do more harm than good.