DHA plays crucial role in brain health. Exhausted, it becomes easier to invite colds and illness. Leukocytes, macrophages, T-lymphocytes and immuneglobuline producing B-lymphocytes are stimulated to better fight off viruses and bacteria. Neurobics also includes changing your own routines, to be able to further stimulate your brain. They point out that 48% never follow lets start work on customers.