People adapt to crowded settings by social withdrawal and avoidance of interaction. This coping strategy may loosen social bonds. An empirical study of residential crowding in India verifies the hypothesis that the adverse consequences of crowding on male adult's psychological health are mediated by a breakdown of social support systems. Residential density predicts psychological symptoms after controlling for income and education. The addition of a social support term to the regression analysis, however, removes the significant effect of density on psychological symptoms.