Research on feeding and eating disorders in India: A narrative review

Despite growing evidence of their prevalence, research on feeding and eating disorders (FEDs) in India has been sporadic. This narrative review aimed to summarize the research on FED in India and set priorities for future research and translation of evidence. An electronic search was conducted in the MEDLINE, PsycINFO, and Google Scholar databases to identify relevant English peer-reviewed articles from April 1967 to July 2023. The extracted data from these studies included author names, publication year, research location, type of intervention (for interventional studies), nature of comparator treatments, and main outcomes or findings. We found a rising trend in the prevalence of EDs in India. Adolescent age group, female sex, higher socioeconomic status, family history of mental illness or disordered eating, and borderline personality pattern were risk factors for EDs. For feeding disorders (FDs), childhood age group, malnutrition, pregnancy, psychosis, intellectual disability (ID), and obsessive-compulsive disorder (OCD) were putative risk factors. Both physical and psychiatric comorbidities were common in FEDs. Culture appears to exert a pathoplastic effect on symptom presentation in FEDs; an illustrative example is the documented nonfat phobic variant of anorexia nervosa (AN) in India. Research on management has focused on using assessment tools, investigations to rule out medical comorbidities, psychosocial and family-based psychotherapies, nutritional rehabilitation, pharmacotherapy, and neuromodulation approaches. Whereas the publication output on FEDs in India has increased over the last decade, it remains an under-researched area, with a striking paucity of original research. Future research priorities in FEDs include conducting country-wide registry-based studies to offer real-world insights, longitudinal research to identify culturally relevant risk factors, and developing brief, culturally sensitive diagnostic instruments for FEDs in the Indian context. This will help generate locally relevant epidemiological data on FEDs and inform treatment and prevention strategies.