"One pound of fat is about the size of a coffee mug."

Ugh. This click-on-a-body-part WaPo webpage is grossing me out. But it might be helpful if you want to be scared or grossed out into losing weight. It's designed to pressure parents to keep their kids from getting fat. There are many reasons to avoid getting fat, of course, but WaPo seems to ready to cite anything scary:

At least one study has suggested that obese children might also tend toward lower IQs and be more likely to have brain lesions similar to those seen in Alzheimer's patients.

Is that useful?