>> dr. steven novella is author of science based medicine. >> making claims when there is a certain amount credibility, false credibility t their claims. >> suzanne somersre cent book has many doctors upset including the american cancer society. >> one of the doctors i interviewed in my book, nick gonzalez he has a total nutritional approach. oncologistnow any who can say -- >> they hav essentially been saying using these detoxification treatments she was able to lickre breast cance, but if you read her book, she had standard surgical therapy. >> the national center for alternative medicine part of the national institute of health is investigating some popular but