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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Impact of alcohol on aging ： ウィキペディア英語版 Impact of alcohol on aging The impact of alcohol on aging is multifaceted. Evidence shows that alcoholism or chronic alcohol consumption can cause both accelerated (or premature) aging – in which symptoms of aging appear earlier than normal – and exaggerated aging, in which the symptoms appear at the appropriate time but in a more exaggerated form.〔(Alcohol, Aging, and the Stress Response, RL Spencer and KE Hutchison, Alcohol Research & Health, Vol. 23, No. 4, 1999 ) ...alcohol-related overactivity of the HPA axis and the resulting elevated cortisol levels may contribute to premature or exaggerated aging in many people with a long history of alcohol abuse.〕 The effects of alcohol abuse/misuse on the aging process include hypertension, cardiac dysrhythmia, cancers, gastrointestinal disorders, neurocognitive deficits, bone loss, and emotional disturbances especially depression. On the other hand, research also shows that drinking moderate amounts of alcohol may protect healthy adults from developing coronary heart disease.〔National Institutes of Health, National Institute on Alcohol Abuse and Alcoholism, "Understanding the impact of alcohol on human health and well-being."〕 ==Brain== Alcohol is a potent neurotoxin. The National Institute on Alcohol Abuse and Alcoholism has found, "Alcoholism may accelerate normal aging or cause premature aging of the brain."〔(Alcohol and Aging - Alcohol Alert No. 40-1998 )〕 Another report by the same agency found, "Chronic alcohol consumption, as well as chronic glucocorticoid exposure, can result in premature and/or exaggerated aging." Specifically, alcohol activates the HPA axis, causing glucocorticoid secretion and thus elevating levels of stress hormones in the body. Chronic exposure to these hormones results in an acceleration of the aging process, which is associated with "gradual, but often dramatic, changes over time in almost every physiological system in the human body. Combined, these changes result in decreased efficiency and resiliency of physiological function." Chronic stress and chronic heavy alcohol use cause a similar premature aging effect, including nerve cell degeneration in the hippocampus.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Impact of alcohol on aging」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.