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New research examines genetics of successful aging

lifestyle on successful aging.

The study identified nine genetic regions that were associated with successful aging, some of which affected men or women, but not both. "Historically women have lived longer than men on average, the prevalence of numerous serious diseases differs in men and women, and there are important differences in age-related physiological changes that occur between the sexes over the life span," said Dr. Zubenko. "It would not be surprising if the collection of genes that influences the capacity to reach old age with normal mental capacity differs somewhat for men and women." The majority of the successful aging or "SAG" regions overlapped with gene locations previously reported to show linkage to susceptibility genes for cardiovascular disorders, psychiatric disorders and the accumulation of tissue damage due to oxidative stress. The results of the study also highlighted the detrimental effects of cigarette smoking, excessive drinking and serious mental disorders on successful aging in both sexes.

"The finding that genetics, lifestyle decision making, and their interactions, may influence the ability to reach old age with preserved cognition is exciting," stated Dr. Zubenko. "Identifying such genetic and behavioral factors may hold promise for better understanding the aging process and perhaps one day enriching or extending the lives of other individuals."


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Source:University of Pittsburgh Medical Center


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