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Objective: To investigate whether exposureto the Chinese Famine in different life stages of early life is associated with cognitive functioningdecline in adulthood.Methods: We recruited 1366 adults born between 1952 and 1964 and divided them into fetal-exposed,early childhood-exposed (1-3 years old during the famine),mid childhood-exposed (4-6 years old during the famine),late childhood-exposed (7-9 years old during the famine) and non-exposed groups.A selection of cognitive tests was administered to assess their cognitive performance.