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<p style="text-align: left;"><span style="color: #000000;" data-ke-size="size23"><b>뇌(腦) 노화?老化) 늦추는 방법  <span style="color: #000000;">     </span></b></span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignLeft" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/9B6g/8fe1aea824c1caa0f34f692e0795f7fa922b7788" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/9B6g/8fe1aea824c1caa0f34f692e0795f7fa922b7788" data-origin-width="500" data-origin-height="338"></div><p style="text-align: left;"><span style="color: #000000;">80세 넘어서도</span><br><span style="color: #000000;">말이 젊은이 못지않게 빠르고, 대화(對話)에 쓰는 단어가 풍부한 사람들을 본다.</span><br><br><span style="color: #000000;">중 고등학교 졸업 학력이지만, 은퇴(隱退) 후에 새로운 직업이나 배움에 뛰어드는 ’70세 청년'도 있고,</span><br><span style="color: #000000;">영어 수상 소감으로 전 세계를 휘어잡은 시니어 윤여정도 나온다.</span><br><br><span style="color: #000000;">반면</span><br><span style="color: #000000;">박사(博士) 공부까지 한 사람이 70대 중반에 치매(癡呆)로 고생하는 경우도 꽤 있다.</span><br><br><span style="color: #000000;">나이 들면서 어쩔 수 없이 생물학적(生物學的)으로 퇴화하는 뇌를</span><br><span style="color: #000000;">"닦고 조이고 기름"치면, 노화(老化)를 늦춰가며 총명하게 지낼 수 있다.</span><br><br><br><br><span style="color: #000000;">🎈뇌(腦)는 어떻게 늙어가나?</span><br><br><span style="color: #000000;">약 70세부터</span><br><span style="color: #000000;">사용하는 단어 수가 준다.</span><br><span style="color: #000000;">말하는 속도나 대화 구성 등 언어(言語) 능력(能力)도 떨어지기 시작한다.</span><br><br><span style="color: #000000;">상황을 판단하고</span><br><span style="color: #000000;">정보를 처리하는 능력(能力)은 다만 특별한 질병(疾病)이 없다면,</span><br><span style="color: #000000;">80세 정도에도 유지된다.</span><br><br><span style="color: #000000;">시간이 점점 길어져도,</span><br><span style="color: #000000;">기다리면 제대로 그런 일을 마친다.</span><br><span style="color: #000000;">나이 들어 뇌 신경세포 수는 감소(減少)하나,</span><br><span style="color: #000000;">그 안에서 새로운 신경망을 만들어서</span><br><span style="color: #000000;">뇌 기능을 보상토록 한다.</span><br><br><span style="color: #000000;">기억력(記憶力)은 최신 것부터 떨어진다.</span><br><br><span style="color: #000000;">새로 만난 사람의 이름이나</span><br><span style="color: #000000;">어제 먹었던 메뉴가 잘 생각이 나지 않는다.</span><br><span style="color: #000000;">이른바 휘발성 기억력이 낮아진다.</span><br><br><span style="color: #000000;">70세가 넘어가면 뇌 혈류량이 젊었을 때보다 20% 정도로 감소한다.</span><br><span style="color: #000000;">뇌혈관(腦血管)</span><br><span style="color: #000000;">동맥(動脈) 경화로</span><br><span style="color: #000000;">혈관(血管)이 좁아지는 탓이다.</span><br><br><span style="color: #000000;">담배를 피우거나,</span><br><span style="color: #000000;">고혈압(高血壓) · 고지혈증 · 고혈당 등이 있으면</span><br><span style="color: #000000;">뇌 혈류(血流) 감소가</span><br><span style="color: #000000;">촉진(觸診)된다.</span><br><br><span style="color: #000000;">이 때문에 초고령에서는</span><br><span style="color: #000000;">혈관성 치매(癡呆)가</span><br><span style="color: #000000;">원인(原因)을 알 수 없는 알츠하이머 치매만큼 발생한다.</span><br><br><span style="color: #000000;">하루 두 잔 이 상의 음주(飮酒)는 뇌 기능 감소(減少)를 증가(增加)시킨다.</span><br><br><br><br><span style="color: #000000;">🎈 끊임없이 머리를 굴려야 뇌가 싱싱!</span><br><br><span style="color: #000000;">눈·귀·코·입이 즐거우면,</span><br><span style="color: #000000;">뇌에도 좋다.</span><br><br><span style="color: #000000;">보기에 좋은 것을 많이 보고, 즐거운 것을 많이 듣고,</span><br><span style="color: #000000;">맛있는 음식(飮食)을 자주 먹고</span><br><span style="color: #000000;">내가 즐겁고</span><br><span style="color: #000000;">내가 행복하다 느끼면</span><br><span style="color: #000000;">뇌(腦)에 좋다는 의미(意味)다.</span><br><br><span style="color: #000000;">시력(視力)을 잃으면 사물을 잃고,</span><br><span style="color: #000000;">청력(聽力)을 잃으면 사람을 잃는다는 말이 있듯이,</span><br><span style="color: #000000;">뇌는 시력과 청력의 자극으로 움직인다.</span><br><br><span style="color: #000000;">청력이 떨어지면 보청기(補聽器)로 만회하고,</span><br><span style="color: #000000;">시야가 뿌예지면 백내장(白內障) 수술 등으로 청력과 시력과 시야를 회복(回復)시켜야 한다.</span><br><span style="color: #000000;">모두 뇌(腦)를 위해서다.</span><br><br><span style="color: #000000;">맛을 음미(吟味)하며 씹어 먹는 食事가 뇌를 크게 자극한다.</span><br><span style="color: #000000;">이를 위해 위아래 맞물리는 저작운동과 치아(齒牙)를 최대한 많이 보존해야 한다.</span><br><br><span style="color: #000000;">치아(齒牙)를 잃었으면 임플란트로 채워,</span><br><span style="color: #000000;">씹는 능력(能力)을 유지해야 한다.</span><br><br><span style="color: #000000;">호기심은 뇌를 끝까지 작동시키는 온(on) 스위치다. 매일 다니던 길거리를 산책(散策)하더라도</span><br><span style="color: #000000;">평소와 다르게 새로 바뀐 게 있는지 유심히 관찰(觀察)하며 다니는 게 좋다.</span><br><span style="color: #000000;">평상시 다니던 길 아닌 다른길로도 다니는 것이 좋은 것이다.</span><br><br><span style="color: #000000;">새로 생긴 가게가 있으면 들러보고,</span><br><span style="color: #000000;">어디서 어떤 물건(物件)이나 식품(食品)이 싸고 좋은 것을 파는지 알아보러 다니면,</span><br><span style="color: #000000;">뇌 기능이 활성화된다.</span><br><br><span style="color: #000000;">다양한 책 읽기와 쓰기,</span><br><span style="color: #000000;">그림 보기,</span><br><span style="color: #000000;">그리기 음악 감상,</span><br><span style="color: #000000;">습득 등 예술적 경험은</span><br><span style="color: #000000;">새로운 신경망을 만들어</span><br><span style="color: #000000;">생각을 풍부하게 하고,</span><br><span style="color: #000000;">사고(思考)를 유연하게 만든다.</span><br><br><span style="color: #000000;">외국어(外國語) 같은</span><br><span style="color: #000000;">처음 접하는 학습(學習)은</span><br><span style="color: #000000;">깨어 있는 뇌세포를 늘리는 데 가장 좋다.</span><br><br><span style="color: #000000;">매일 하던 것을</span><br><span style="color: #000000;">아무 생각없이 반복하는 생활은 뇌세포를 오프(off)로 만들어 노화(老化)를 촉진한다.</span><br><br><span style="color: #000000;">카드놀이, 낱말 맞추기,</span><br><span style="color: #000000;">산수 풀이 등</span><br><span style="color: #000000;">일부러 시간 내어 머리 쓰기를 꾸준히 하는 게 좋다.</span><br><br><span style="color: #000000;">여러 사람과 지속해서 교류(交流)하는 것도</span><br><span style="color: #000000;">뇌를 깨운다.</span><br><br><span style="color: #000000;">대화(對話)에 참여하려면 뉴스도 자세히 보게 되고, 바깥출입 하려면 옷 매무새도 챙기게 된다.</span><br><br><span style="color: #000000;">거동이 불편해지는 초고령에서는</span><br><span style="color: #000000;">멀리 있는 친구(親舊)나 가족보다,</span><br><span style="color: #000000;">동네서 어울리는 사람들이</span><br><span style="color: #000000;">더 소중(所重)하다.</span><br><br><span style="color: #000000;">나이가 많이 들 수록</span><br><span style="color: #000000;">학연·혈연·직장 등</span><br><span style="color: #000000;">연고 중심의 어울림보다, 지역(地域) 중심 어울림을 늘려야 한다.</span><br><br><span style="color: #000000;">뇌는 저수지(貯水池)와 같다. 평소에 저수지에</span><br><span style="color: #000000;">물이 충분(充分)히 차 있으면 가뭄이 와도 버틴다.</span><br><br><span style="color: #000000;">일상에서 머리를 끊임없이 굴리고 오감(五感)을 즐겁게 하며 살면,</span><br><span style="color: #000000;">뇌(腦)가 싱싱해진다!</span><br><br><br><span style="color: #000000;">- 김광준 연세대 세브란스 병원 노년내과 교수-</span></p><p style="text-align: left;"> </p><p style="text-align: left;"><span style="color: #000000;">/출처ⓒ†</span> : <u><a href="http://cafe.daum.net/cgsbong" target="_top" class="ke-link">http://cafe.daum.net/cgsbong</a></u></p><div class="figure-img" data-ke-type="image" data-ke-style="alignLeft" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/9B6g/cf65e4f5bdb2803c6cdd27ae3421a5be82ef83ac" class="txc-image" width="460" 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뇌(腦) 노화?老化) 늦추는 방법
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26.01.06 02:35
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