TAILIEUCHUNG - IELTS Academic Reading Sample 150 - The Search for the Anti-aging Pill

Nhằm giúp các bạn có tài liệu ôn tập những kiến thức cơ bản, kỹ năng giải các bài tập nhanh nhất và chuẩn bị cho kì thi sắp tới được tốt hơn. Hãy tham khảo IELTS Academic Reading Sample 150 - The Search for the Anti-aging Pill để có thêm tài liệu ôn tập. | You should spend about 20 minutes on Questions 28-40. whidi are based on Reading Passage 150 The Search for the Anti-aging Pill In government laboratories and elsewhere scientists are seeking a drug able to prolong life and youthful vigor. Studies of caloric restriction are showing the way ______________________________________________________________________ As researchers on aging noted recently no treatment on the market today has been proved to slow human aging- the build-up of molecular and cellular damage that increases vulnerability to infirmity as we grow older. But one intervention consumption of a low-calorie yet nutritionally balanced diet works incredibly well in a broad range of animals increasing longevity and prolonging good health. Those findings suggest that caloric restriction could delay aging and increase longevity in humans too. Unfortunately for maximum benefit people would probably have to reduce their caloric intake by roughly thirty per cent equivalent to dropping from 2 500 calories a day to 1 750. Few mortals could stick to chat harsh a regimen especially for years on end. But what if someone could create a pill that mimicked the physiological effects of eating less without actually forcing people to eat less Could such a caloric-restriction mimetic as we call it enable people to stay healthy longer postponing age-related disorders such as diabetes arteriosclerosis heart disease and cancer until very lace in life Scientists first posed this question in the mid-1990s after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction s benefits. No compound that would safely achieve the same feat in people has been found yet but the search has been informative and has fanned hope that caloric-restriction CR mimetics can indeed be developed eventually. The benefits of caloric restriction The hunt for CR mimetics grew out of a desire to better understand caloric restriction s many effects on the .

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