A meta-analysis of the past 25 years of weight loss research using diet, exercise or diet plus exercise intervention

OBJECTIVE: The therapeutic effectiveness of diet, exercise, and diet plus exercise for weight loss in obesity was determined. DATA SOURCES: All human research reported in English, published in peer-reviewed scientific journals within the past 25 y was reviewed. STUDY SELECTION: Acceptance criteria (n=493 from>700 studies) were that a therapeutic intervention of diet, exercise or diet plus exercise was employed, specifically for weight reduction...