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  3. 學習啦>腦力開發>快速閱讀>全腦速讀>《有損腦健康的七種壞習慣》正文

    有損腦健康的七種壞習慣

    時間:2015-10-12 19:52:17本文內容及圖片來源于讀者投稿,如有侵權請聯系xuexila888@qq.com 家輝 我要投稿

      科學研究已經證明:人類進行傳統閱讀時,主要使用左腦的功能;而在采用“速讀”方式閱讀時,則充分調動了是左右腦的功能作用,各自發揮左右腦的優勢共同進行文字信息的形象辨識、意義記憶和理解,所以“速讀”又被稱之為“全腦速讀”。下面是學習啦小編為大家整理的關于有損腦健康的七種壞習慣,供大家參考和學習。

      1、長期飽食

      現代營養學研究發現,進食過飽后,大腦中被稱為“纖維芽細胞生長因子”的物質會明顯增多。如果長期飽食的話,勢必導致腦動脈硬化,出現大腦早衰和等現象。

      人的消化系統需要定時休養,保持正常工作。如果飽食,上頓的食物還未消化,下頓的食物又填滿胃部,消化系統就得不到應有的休養。營養過剩同樣會增加體內各臟器的負擔與畸形發展。心腦血管疾病、糖尿病、脂肪肝、肥胖癥等“富貴病”的原因皆為貪吃惹出來的。

      2、輕視早餐

      不吃早餐使人的血糖低于正常供給,對供應不足,久之對大腦有害。此外,早餐質量與智力發展也有密切聯系。據研究,一般吃高蛋白早餐的兒童在課堂上的最佳思維普遍相對延長,而食素的兒童情緒和精力下降相對較快。甜食過量的兒童往往較低。

      從生理需要來說,早餐是一天中最重要的。但是很多人忽視早餐作用,早餐吃得非常簡單,有的甚至不吃早餐就去上班。一個人從頭一天的晚餐到第二天早餐,至少有12個小時未進食,胃正處于空虛狀態?焖匍喿x記憶訓練網同時提醒您:早餐決定著血液中糖的水平,如果不吃早餐,工作或學習到上午10時許,血糖就會偏低,嚴重影響腦組織的正常機能活動。有的人會心慌、頭暈、眼花,甚至暈倒。

      3、長期吸煙

      德國醫學家的研究表明,常年吸煙使腦組織呈現不同程度萎縮,易患老年性癡呆。因為長期吸煙可引起腦動脈硬化,日久導致大腦供血不足,神經細胞發生病變,繼而發生腦萎縮。

      4、睡眠不足

      的主要方式是睡眠。長期睡眠不足或質量太差,只會加速腦細胞的衰退,聰明的人也會變得糊涂起來?焖匍喿x記憶訓練網同時提醒您:科研人員認為,人的大腦要思維清晰、反應靈敏,必須要有充足的睡眠,如果長期睡眠不足或太差,大腦得不到充分的休息,就會影響大腦的創造性思維和處理事物的能力。

      現代研究認為,青少年的生長發育除了遺傳、營養、鍛煉等因素外,還與生長素的分泌有一定關系。由于生長素的分泌與睡眠密切相關,即在人熟睡后有一個大的分泌高峰,隨后又有幾個小的分泌高峰,而在非睡眠狀態,生長素分泌減少。所以,青少年要發育好,長得高,睡眠必須充足。

      5、少言寡語

      大腦中有專司語言的葉區,經常說話也會促進大腦的發育和鍛煉大腦的功能。應該多說一些內容豐富、有較強哲理性或邏輯性的話。整日沉默寡言、不茍言笑的人并不一定就聰明。

      6、空氣污染

      大腦是全身耗氧量最大的器官,平均每分鐘消耗氧氣500~600升。只有充足的氧氣供應才能提高大腦的工作效率。用腦時,特別需要講究工作環境的空氣衛生。

      7、蒙頭睡覺

      隨著棉被中二氧化碳濃度升高,氧氣濃度不斷下降,長時間吸進潮濕空氣,對大腦危害極大。

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