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      您所在的位置:首頁 > 科普宣傳 > 關于左撇子的說法哪些是真的?

      關于左撇子的說法哪些是真的?

      瀏覽次數:2578信息來源:發布時間:2018-04-25 09:07:00文字大小: 打印

        全球左撇子占總人口的10%,亞里士多德、達·芬奇、比爾·克林頓、巴拉克·奧巴馬等知名人士都是左撇子。近日,美國《預防》雜志總結了關于左撇子的6件事。
       
        容易腸胃不好。英國研究人員發現,左撇子的腸道較為脆弱,罹患腸炎的風險較高,21%的腸道疾病患者都是左撇子,高于他們在人群中所占的比例。
       
        精神更易緊張。美國耶魯大學研究發現,時常表現出焦慮、緊張的人群中40%是左撇子,遠高于慣用右手的人。研究人員稱,他們更缺乏安全感,危機意識較強。
       
        乳腺癌風險高。英國一項研究稱,左撇子女性在絕經后,患乳腺癌的風險比習慣用右手的人高。家族中有乳腺癌史的左撇子女性,更要做好乳癌篩查。
       
        更易睡不踏實。美國托萊多大學研究發現,左撇子夜間醒來的頻率更高。94%的左撇子睡覺時會經常不自覺擺動四肢、翻來覆去,影響睡眠質量。
       
        運動天賦高。研究發現,左撇子在拳擊、網球和棒球方面更具天賦,因為他們總能多一個角度防御。
       
        女性多發性硬化病風險高。哈佛大學研究表明,左撇子的女性患多發性硬化的風險要比習慣用右手者高62%。
       
        此外,新西蘭一項針對用手習慣與個性之間關系的研究稱,相比慣用右手或左手的人,左右開弓的人,更易害羞。
       

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