Two neuropathic doctors discuss why this diet doesn't have a leg to stand on. This is a bit of a technical read but they make some very valid points. If you are considering this diet this is a good link to explore before starting the diet.

Biased in favor of veganism

The authors are a bit biased given they have strong feelings about meat eating; however, they seem to offer some good points about why the science behind the diet may not support the use of the diet. A bit hard to read.