Speaking of fat kids and fat in diet, recently a link to this
Swedish study was posted in the Hyperlid blog. I don't know how good a study it is, but it concluded that
"Intake of saturated fat was negatively associated to anthropometry and children who consumed full fat milk regularly had a lower BMI compared to those who seldom or never drank milk"
and
"Saturated fat and intake of full fat milk were inversely associated with BMI."
Here's a graph from the study: