Abstract
Psychiatry is enormously complex. One of its main difficulties is how to connect the wide diversity of factors that may cause or contribute to the problems at hand, factors ranging from traumatic experiences, dysfunctional neurotransmitters, existential worries, economic deprivation, and social exclusion, to genetic bad luck. Interventions are also diverse, with options including chemical or electrical treatment, therapies aimed at behavior change and those promoting insight. Much is still unknown: what are the causal pathways, which interventions work best for which patients and why?In practice, many mental health care professionals work holistically in a pragmatic and eclectic way. Without using any explicit...