Belfast Telegraph | North-south dementia risk variation Belfast Telegraph Dr Tom Russ, from the University of Edinburgh's Alzheimer Scotland Dementia Research Centre and the Division of Psychiatry, said: "If this geographical variation in dementia risk is the result of one or more environmental risk factors, and if these ... Living in the North 'raises dementia risk': Lack of vitamin D could be to blame Living in the North 'raises dementia risk' |