Studies on type of foods and weight loss or gain:
http://www.livescience.com/14828-food-type-calorie-content-matters-weight-gain.html
https://www.hsph.harvard.edu/obesity-prevention-source/obesity-causes/diet-and-weight/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3151731/
http://drhyman.com/blog/2014/04/10/calories-dont-matter/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4018593/
https://www.fitwatch.com/blog/quality-vs-quantity-which-one-is-better-for-fat-loss