And for those of you who are too lazy to read the article, I'll give you the summation:
In short, I think that, based on this data, drawing any conclusions based on what religion actually does for societal health is foolish at best. However, I think this study helps illustrate what religion does not do: namely, that theism is neither a necessary nor a sufficient condition for a healthy society. Whether or not theism is actually a blight upon humanity, well…that’s a question that deserves further scientific investigation.But really... don't be lazy, read the article. You'll find out that, among other things, the United States is by far in the worst shape in regards to societal health out of all 18 countries that are prosperous democracies and were part of the study.
Food for thought.