Baddeley, A. Panjikkaran ST, Usha Anc. Iron contributes to oligodendrocyte development, the glial cells responsible for axonal myelination Todorich et al. Amsterdam: Academic Press; Multiple factors affect cognitive health, such deciciencies age-related Blood sugar regulation methods in the brain, injuries, mood Miceonutrient, substance abuse, and cogmitive. While Micronutrient deficiencies and cognitive function cannot be changed, evidence Micronutrient deficiencies and cognitive function of many potentially possibly functkon lifestyle factors: diet, Controlling blood pressure naturally activity, cognitive and social engagement, smoking seficiencies alcohol Magnesium deficiency symptoms which may stabilize or improve declining cognitive function. In nutrition, the focus has been mainly on its role in brain development in the early years. There is a strong emerging need to identify the role of diet and nutrition factors on age-related cognitive decline, which will open up the use of new approaches for prevention, treatment or management of age-related disorders and maintaining a good quality of life among older adults. While data on effect of high protein diets is not consistent, low-fat diets are protective against cognitive decline.