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  ۵ , ̱  240    м , ִ ַ ü 'ġ  15%'  ' ְ ġ 濡 '  ...  ȿ ɼ    ڿõ ġ ߺ    ִٴ   Դ.  ۵  ̱ '鸸 ⱺ α(Million Veteran Program)'  '̿ũ(UK Biobank)' Ը  Ȱ    Ըߴ. ̹  ҷ ְ  ǰ ̷Ӵٴ  信 ϴ  Ÿ ϰ, ġ   () ߿伺 ߴٴ  ָȴ.    ٹ ߴ.  559,559     ġ ߺ   ϴ   ߴ. ̾, ΰ踦  Ȯ    240  ü  Ȱ '൨  м(Mendelian Randomization)' ǽߴ. ̴ θκ   ڸ ̿ ֿ    ΰ踦 ϴ  ̴.      ϰ Ÿ.    ڳ ( 40 ʰ)   ô  ġ ߺ    Ÿ.   м  .   ڿ 뷮  ġ   ,  ؿ ְ  ȣϴ ȿ Ÿ ʾҴ. ü Ͽ ô   1 ǥŭ   ġ ߺ  15% .   м  ̸ 'ΰ(reverse causation)' ߴ. , ġŰ ߺϱ       ʱ   ȯڵ 'ڿ   ð' ǰ, ̷  ġ  ְ ġŸ ϴ ó ̴ ' ȿ' Ÿٴ ̴.  ġŷ ܵ ȯڵ    ַ   ϴ  . ̴ ڿ  ؿ  ȣ ȿ  ,    ۿ   ûѴ.  1 Ƴ ǿж ڻ(Anya Topiwala) "츮  м    ڿ 뵵 ȣ ȿ  ش" ߴ.  "ڿ    ̸ ġ ʸ ִ 16% ҽų  ִ", "  å ڿ  ߿ ġ   ؾ Ѵ" ߴ. ̹  (Alcohol use and risk of dementia in diverse populations: evidence from cohort, case-control and Mendelian randomisation approaches, پ α ܿ ڿ  ġ : ȣƮ, -  ൨  м ٹ ) 25 9 м 'BMJ ű(BMJ Evidence-Based Medicine)' ƴ. 
 
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