DHA, brain development, omega-3, childhood nutrition, attention and learning — what parents actually need to know When parents hear omega-3, they often think of fish oil, immunity or general health. But omega-3 fatty acids have a much more fundamental role, particularly during childhood, when the brain and nervous system are continuously developing. One of the most important omega-3 fatty acids for the brain is DHA (docosahexaenoic acid). DHA is not a medication and should no