This book reviews the scientific literature on this popular supplement explaining the importance and many benefits of this substance. DHA is short for docosahexaenoic acid, which one of the Omega-3 fatty acids found in cold water marine sources such as algae and fish such as salmon, sardines, haddock and tuna. Omega-3 fatty acids are an essential part of our daily diet, but deficiencies are prevalent as few individuals consume its food sources on a regular basis. This important structural fatty acid forms 25% of the brain. Adequate dietary amounts are needed to support healthy brain and visual formation throughout all stages of life (beginning in the womb via the mother). DHA deficiencies are seen among individuals with memory loss, Alzheimer’s disease, depression, ADD and ADHD (adults and children), addiction disorders (especially alcoholism), aggression disorders and schizophrenia. DHA is also involved in prostaglandin regulation and production which have hundreds of important functions in the body such as regulation of cholesterol and triglycerides, clotting, inflammation, metabolism, insulin, etc. This is why sufficient levels of DHA are important for individuals with coronary artery disease, inflammatory disorders such as arthritis, allergies, asthma, and psoriasis, diabetes, and also cancer. DHA is even necessary for proper weight regulation. New and exciting research has demonstrated how DHA supplementation can help many individuals with these conditions and many others. The book discusses the benefits of supplementation, reviews food sources of DHA, and even offers a few of the authors favorite salmon recipes.