“…Thus, it was considered two studies when the observed items were combined. Among these studies, dairy products appeared as items in six studies (Choi et al, 2005;Liu et al, 2006;Pittas et al, 2006;van Dam et al, 2006;Elwood et al, 2007;Kirii et al, 2009), low-fat and high-fat dairy foods appeared in three studies (Choi et al, 2005;Liu et al, 2006;van Dam et al, 2006), whole milk appeared in four studies (Choi et al, 2005;Liu et al, 2006;Kirii et al, 2009;Villegas et al, 2009) and yogurt appeared in three studies (Choi et al, 2005;Liu et al, 2006;Kirii et al, 2009). …”