Sleep

I think the CrossFit folks who preach 8 hours of sleep along with a healthy diet, whether it's paleo or zone or just cutting out processed foods and high fructose corn syrup. I know I'm definitely more likely to give in to a desire for pumpkin bread with my coffee if I haven't been getting enough sleep. But more than that, even eating right doesn't necessarily make a difference. Good article from Health Magazine for more info.

And as a side note, the president ought to be allowed to think someone is a jackass. Especially when the person in question has proved this point multiple times.