Data that KEY COMPONENTS of MEDITERRANEAN DIET help weight loss

"The key components of Mediterranean diets are also beneficial for weight loss in obese patients [126] and for preventing long-term weight gain in non-obese populations [127]."
Mozaffarian 

 126: N Engl J Med. 2008 Jul 17;359(3):229-41. doi: 10.1056/NEJMoa0708681.

Weight loss with a low-carbohydrate, Mediterranean, or low-fat diet.Shai I¹, 

"Mediterranean and low-carbohydrate diets may be effective alternatives to low-fat diets. The more favorable effects on lipids (with the low-carbohydrate diet) and on glycemic control (with the Mediterranean diet) suggest that personal preferences and metabolic considerations might inform individualized tailoring of dietary interventions."

127:

N Engl J Med. 2011 Jun 23;364(25):2392-404. doi: 10.1056/NEJMoa1014296.Mozaffarian D¹, 

Changes in diet and lifestyle and long-term weight gain in women and men.