20xx與生活有關(guān)話題英語演講稿參考(編輯修改稿)
2025-03-25 22:04 本頁面
【文章內(nèi)容簡介】 memory than their thinner peers do. The findings suggest that a heavier weight in middle age may mean a higher risk of dementia later in life. Reporting in the journal Neurology, the researchers speculated that higher rates of cardiovascular disease or diabetes might help explain the link. But it39。s also possible that substances produced by fat cells, such as the hormone leptin, have direct effects on the brain. The study pared mental abilities to body mass index (BMI), a measurement of weight in relation to height used to define overweight and obesity. A BMI of 25 or more indicates overweight, and 30 or more is obese. The study also investigated the relationships between BMI and cognitive function in 2,223 healthy men and women between the ages of 32 and 62 in France through the use of four cognitive tests. The study found a higher BMI was associated with lower cognitive test scores. Results from a test involving word memory recall show people with a BMI of 20 remembered an average of nine out of 16 words, while people with a BMI of 30 remembered an average of seven out of 16 words. 研究人員提示，假如你已步入中年，發(fā)覺本人的經(jīng)歷力不如從前，那么你得小心體重了。研究說明，超重的人經(jīng)歷測試的得分要比擬瘦的人低?！ ⊙芯堪l(fā)覺，體重偏大的中年人今后患老年癡呆癥的可能性較大?！ ⊙芯繄蟾嬖凇渡窠?jīng)學》期刊上發(fā)表，研究人員推斷，心血管疾病及糖尿病的高發(fā)覺象能夠解釋其中的緣故。此外，脂肪細胞所產(chǎn)生的物質(zhì)，如瘦體激素，對大腦有直截了當妨礙。 此項研究將調(diào)查對象的智力與體重指數(shù)進展了比照。體重指數(shù)指的是身高和體重之間的比例，主要用來衡量一個人是否偏胖或肥胖。體重指數(shù)為25或25以上的人偏胖，到達30或30以上的人則為肥胖。 研究人員還對體重指數(shù)和認知功能間的關(guān)系進展了研究，他們在法國對2223位年齡在32歲至62歲間的健康男女進展了認知測試?！ ⊙芯堪l(fā)覺，體重指數(shù)越大，認知測試的得分越低。其中一項單詞經(jīng)歷的測試結(jié)果說明，在16個單詞中，體重指數(shù)為20的人平均能記住9個，而體重指數(shù)為30的人平均只能記住7個?！ ∑摹 ood afternoon, my dear friends. Iam very happy to meet you is my great honor to municate with you at such a special of all,please allow me to express my appreciation to you all to listion to me. Iam proud of being a college collegelife is fresh,new teachers, new classmates and new friends. I
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