Reality TV isn't my thing. This preview made me cringe, but at the heart of it is Jamie Oliver putting up with a lot of abuse trying to get these people in America's most unhealthy town, to see reason, which is this case is to see how what they are eating is killing them.
Apparently, from this preview, even though it's an obvious statement, it's not an easy task. Of course it is reality TV so it's formatted for non-stop histrionics.
I won't be watching, but I admire him for trying