It may be that higher levels of inequality have increased the incidence of poor mental wellbeing in the community.A recent book suggests a causal mechanism from one to the other.
International research shows that there is a socioeconomic status (or class) gradient, in which those with low SES experience higher morbidity from respiratory and cardiovascular diseases, ulcers, rheumatoid disorders, a number of cancers, psychiatric diseases, dementia and so on.
The brain in the White House appears to have been outsmarted by the brawn of a nude centrefold, as Obama's filibuster-proof Senate number has been whipped away by a man once voted America's Sexiest Man. You couldn't make this stuff up.