Jurriaan Plesman,  author of "Getting off the Hook" about psychonutritional treatment of drug addiction and other mood disorders by a combination of nutritional therapy and psychotherapy.

This book is freely available at Google books at: 

http://www.google.com.au/books?id=cIbpj59s-KAC&lpg=PR3&ots=raIs2LZ1Xy&dq=Getting%20off%20the%20Hook%20Foreword&pg=PR3#v=onepage&q=Getting%20off%20the%20Hook%20Foreword&f=false