Toàn cảnh trái đất nhìn từ vệ tinh
bài này dành cho Ngân Hà tham khảo khi học về địa lý. Ảnh chụp trái đất từ vệ tinh của Mĩ, cảnh thật đẹp.
BBC: How exercise in old age prevents the immune system from declining
Source: http://www.bbc.com/news/health-43308729 http://cafebiz.vn/vi-giao-su-82-tuoi-nay-van-so-huu-mot-he-mien-dich-o-tuoi-20-bi-quyet-cua-ong-la-gi-2018031313283768.chn Doing lots of exercise in older age can prevent the immune system from declining and protect people against infections, scientists say. They followed 125 long-distance cyclists, some now in their 80s, and found they had the immune systems of 20-year-olds.Prof Norman Lazarus, 82, of King's College London, who took part in and co-authored the research, said: "If exercise was a pill, everyone would be taking it. "It has wide-ranging benefits for the body, the mind, for our muscles and our immune system." The research was published in the journal Aging Cell. Prof Janet Lord, director of the Institute of Inflammation and Ageing , at the University of Birmingham, and co-author of the research, said: "The immune system declines by about 2-3% a year from our 20s, which is why older peop...
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