It depends on what you mean by a special diet. There are thousands of diets including low-carb, low-sugar, vegetarian, etc. You may want to first consider what your weight loss goal is, timeline, etc.
http://www.diet-i.com/ has information on TONS of diets. It tells you what the best diets currently are, gives you reviews of diets and even has a section for special diets.
Some of the best diets for diabetics are DASH, Mayo Clinic Diet, and Ornish Diet. These have been said to work well for a person with special sugar needs.
There are several different diets out there. I would recommend looking at this website to find your needs. http://www.medicinenet.com/special_diets_and_recipes/article.htm Also, speak with your doctor, he knows best!
A wide range of side effects (some quite serious) can result from special diets, especially those that are nutritionally unbalanced.
The raw food cleanse is one of the more popular diets today. In U.S. News and Health it is ranked 18th in best diets overall, 2nd in best weight-loss diets, 13th in best heart healthy diets, and 14th in best diabetes diets.
Sometimes psoriasis is linked to being overweight. There are special diets that can be followed to help avoid the symptoms which includes avoiding foods high in fat.
Diabetic patients who take lots of carbohydrates risk worsening the condition if they do not follow the special diets.
mostly raw meats and pig parts
A wide range of side effects (some quite serious) can result from special diets, especially those that are nutritionally unbalanced.
Iron and zinc.
Yes.Like eating bean can also get protein.
There are many diets that you can choose from. The best thing to do is to research them and decide which works best for you. You can read about some diets at http://www.everydiet.org.