Dr. McDougall is one of the first authorities I came across when I was researching health solutions and he is one I kept circling back to because he just makes sense. Dr. McDougall is the one who made it possible in that you can eat real food and sit down to real meal. He teaches that a starch-based diet (potatoes, sweet potatoes, corn, grains, legumes) with vegetables and fruit is what you need and what the human diet is made up of.
Dr. McDougall and Mary McDougall offer several paid programs at their Santa Rosa, California facility but they are also very generous and offer a free 10-day program on their website with everything you need. In fact there is a whole world of information available for free on their website.