The dark side of social capital: A systematic review of the negative health effects of social capital

There is a growing literature demonstrating the health benefits of social capital (defined as the resources accessed thorugh social connections). However, social capital is also acknowledged to be a "double-edged" phenomenon, whose effects on health are not always positive. This article did a systematical review that have found a negative association between social capital and health outcomes. Their objective was to classify the different types of negatives effects, following a framework originally proposed by Portes (1998)