The article in the May 9, 2005, issue by Choi and colleagues1 came to the conclusions that dairy products have favorable effects on body weight and are a major determinant in the prevention of type 2 diabetes mellitus. Information on weight gain from dairy products was presented in 2002 at the Dairy Product Components and Weight Regulation seminar (April 21, 2002; New Orleans, La) supported in part by Dairy Management Inc.