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Health is more than the absence of disease. It is also more than a biological phenomenon. It is inherently social, psychological, cultural, and historical. Social and personal resources are both key components and key determinants of health, as it has been recognised by major health actors for decades [1–3]. However, open questions remain as to how to build systems that reflect the complexity of health, healthy lives, disease, and sickness, and in a context that is increasingly technologized. Although we find in the literature an increasing understanding of the complexity of health [4–7], the implementation of this knowledge lags behind. Biological approaches to health and disease, as a matter of fact, dominate the development of curative and preventive interventions. We argue that an urgent change of approach is necessary. Methods and concepts from the humanities and social science must be embedded in the concepts and methods of the health sciences and of public health, if we are to promote sustainable interventions capable of engaging with the recognized complexity of health, healthy lives, disease, and sickness. This resonates with the vision expressed by UK Health Secretary and by many policy documents [8,9] from the last decades. Yet, given the difficulties associated with interdisciplinary research, integrated strategies to understand and to intervene on the complexity of health and that engage with biological, social, psychological and behavioural factors are still needed. Our vision is one of radical interdisciplinarity, integrating aspects of biological, psychological, social, and humanities approaches across areas of urgent health need. These areas include, but is not confined to, chronic conditions such as the obesity epidemic, cancer, mental health. Radical interdisciplinarity entails the practical, methodological, and conceptual integration of approaches to health, as they are developed in the health and social sciences, and in the humanities. It is the combination of cognitive resources from individuals belonging to different disciplines, who accept and respect the division of labour and the resulting epistemic dependence to tackle phenomena that would not be adequately conceptualised within any of the involved discipline alone [10]. In what follows, we describe our current understanding of these three aspects, and describe how radical interdisciplinarity would change them.

Item does not contain fulltext OBJECTIVE: To determine the contribution of perceived ethnic discrimination to depression in various ethnic minority groups in Amsterdam. DESIGN: Cross-sectional study. METHOD: We included participants aged 18-70 years of Dutch (n = 1,744), Asian Surinamese (n = 1,126), Creole Surinamese (n = 1,770), Ghanaian (n = 1,072), and Turkish origin (n = 834) on the basis of baseline data from the HELIUS study, collected from January 2011to June 2013 in Amsterdam. Perceived discrimination was determined using the Everyday Discrimination Scale, and the severity of depressive symptoms was assessed using the Patient Health Questionnaire-9. We used logistic regression to investigate the association between discrimination and depression, and quantified the contribution of perceived discrimination to depressive symptoms and disorder using the population attributable fraction (PAF). Results were corrected for sex, age, civil status, migration generation, level of education and employment status. RESULTS: Both depressive symptoms and disorder were most common among participants of Turkish (24% and 14%, respectively) and Asian Surinamese origin (19% and 10%), and least common among participants of Dutch origin (6% and 2%). Participants from ethnic minority groups who had experienced higher rates of discrimination more often suffered depressive symptoms, with odds ratios varying from 1.66 to 2.98. The PAF of perceived discrimination to depression was 18-28% among participants of Asian Surinamese, Creole Surinamese and Turkish origin, and from 13- 16% among participants of Ghanaian origin. CONCLUSION: Perceived discrimination contributes substantially to the prevalence of depression in ethnic minority groups in Amsterdam. Differences in the prevalence of depression in ethnic minority groups may originate partially from perceived discrimination.

Studies on the relation between the social neighborhood environment and sports participation have produced inconsistent results. Use of generic sports outcomes may have obscured associations only apparent for sports at certain locations. This study aims to assess the association between the social neighborhood environment and three location-specific sports outcomes. Repeated cross-sectional data on sports participation (any type of sports, sports at indoor sports clubs, sports at outdoor sports clubs, sports on streets) were obtained from 20 600 adults using the Dutch national health survey 2006-2009. Data on neighborhood social safety and social capital were obtained using the Dutch Housing Research 2006. Over 40% of Dutch adults participated in any type of sports. Indoor sports clubs were most popular. Multilevel logistic regression analyses revealed that neighborhood social safety was positively associated with sports at indoor sports clubs [odds ratio (OR) = 1.25, 95% confidence interval (CI) = 1.06-1.48), but not with the other sports outcomes. Contrary, neighborhood social capital was positively associated with sports on streets only (OR = 1.69, 95% CI = 1.17-2.44). The results suggest that a positive social neighborhood environment enhances sports participation, but that this impact depends on the location of the sports activity. This study highlights the importance of using location-specific sports outcomes when assessing environmental determinants

Existing research evidence indicates that children and adolescents of parents with a low socioeconomic position spend more time on sedentary behaviour than their counterparts. However, the mechanisms driving these differences remain poorly understood. The main aim of this systematic review was to summarize the evidence regarding the association between socioeconomic position and correlates of sedentary behaviour among youth (0-18 years) from developed countries. The literature search was conducted using MEDLINE, Embase, CINAHL and PsycINFO. A total of 37 studies were included. All but three studies examined screen-based sedentary behaviours only. Methodological quality ranged from low to moderate. Education was the most commonly used indicator of socioeconomic position, followed by income. Socioeconomic position was inversely related to the presence of a TV in the child's bedroom, parental modelling for TV viewing, parental co-viewing and eating meals in front of the TV. We found no/indeterminate evidence for an association between socioeconomic position and rules and regulations about screen time. The findings suggest possible factors that could be targeted in future intervention studies to decrease screen-based sedentary behaviour in lower socioeconomic groups in particular.