Evidence based Weight Loss E. C wrote an article on an Evidence Based weight loss. She is a nursing student and has to write a paper on this subject for her Nursing Research and Statistics class. She is herself on obesity and studies the behaviour of nutrition habits from different patients on or without obesity. Her personal experience is the same as of all people who wants to lose weight : diets, pills, and others programs which are expensive and without measurable success. She realizes that diet and exercise or surgery has no effective result in a defined time frame. The main problem remains to get thin after diet or surgery, to keep the right nutritional habits. For her researches, she has to devise on a PICOT question.