I know from time to time we all try a new "diet" no matter how much we have heard that this needs to become a new lifestyle and not a diet.
On Purdue.edu I found a database where they give you an overview and pros and cons of 54 popular diets. Thought you might find it of some interest.
http://silo.agad.purdue.edu:50100/nutrition/
Click on Health and Weight Reduction Diets
Then Click on For a list of all items available in the database


