The myriad controversies embroiling the mental health field-heightened in the lead-up to the release of DSM-5 (2013)-merit a close analysis of the field and its epistemological underpinnings. By using DSM as a starting point, this paper develops to overview the entire mental health field. Beginning with a history of the field and its recent crises, the troubles of the past "external crisis" are compared to the contemporary "internal crisis." In an effort to examine why crises have recurred, the internal dynamics of the field are assessed: applying Kuhn's paradigmatic framework, crises are appraised to situate the differences between the natural sciences and the mental health field. Next, a Foucauldian analysis examines the functioning of the field's power over the body, which is disproportionate in comparison to its scientific grounding. This is followed by investigating the field's combination of contested scientific grounding and significant power, through a Latourian consideration of the assumptions and meaning behind the mental health field's deployment of science. This includes scrutinizing the history of the classification of Post-Traumatic Stress Disorder (PTSD). The paper closes by assessing the field's potential to address these issues effectively.