This book discusses the role of nutrition in obsessive-compulsive disorders (OCD). It covers the investigational therapies in OCD, use of animal models, and biomarkers for better diagnosis, monitoring, and possible therapeutic options with nutrients for patients with OCD. The book highlights the role of probiotics, amino acids, vitamins, micro-nutrients, and salts in the management of OCD. It includes topics like the applications of computational modeling and nano-biotechnology in OCD, the effects of environmental pollutants, and the regulation of anti-depressants in OCD. Key features – Covers emerging therapeutic and nutritional approaches for the treatment and management of OCD Reviews the role of various micro-nutrients in OCD Discusses the prenatal genetic diagnosis and application of computational modelling in OCD Includes the nutritional and dietary roles in neuropsychiatric disorders like depression and obsessive-compulsive disorder (OCD) Explores the application of nano-biotechnology in OCD The book is meant for researchers and professionals in the field of nutritional neuroscience and psychology.