worst offendsers, mississippi, followed by louisiana and west virginia. the study found the leanest state is colorado with sunny hawaii second and massachusetts third. >>> fascinating findings about how your brain handles depression and stress. a study found the brain shrinking under those conditions and found depression blocks the new -- in the brain. people with major depression deal with concentration and memory loss and diminished emotional response. >> on that happy note -- >> i know, trying to measure my brain right now. >> wow, all right. let's turn and get back to politics, shall we? the newly minted candidate, paul ryan, visits a key swing state and hoping to turn the buzz around his selection into actual votes. he will campaign in colorado. didn't you say that was one of the healthiest states? >> he's a healthy guy. >> a day after visiting iowa. his message hit a little bump when some protesters heckled him at the iowa state fair, not all that unusual for that state fair. listen. >> it's funny, it's funny because iowans and wisconsinites we like