Answers for “The search for anti-aging pill” with Explanations

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Question 28-32:-
28. NO (para 1, first 2 lines: ―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‖)

29. YES (para 1, last 4 lines: ―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.‖)

30. YES (para 2, first 2 lines: ―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.‖)

31. NOT GIVEN

32. YES (para 3, line 2-3: ―effects on the body. Scientists first recognized the value of the
practice more than 60 years ago. when they found that rats fed a low-calorie diet lived
longer on average than free-feeding rats.‖)

Question33-37:-
33. A (para 5, first 4 lines: ―The caloric-restricted animals also look better on indicators of
risk for age-related diseases. For example, they have lower blood pressure and
triglyceride levels (signifying a decreases likelihood of heart disease), and they have
more normal blood glucose levels (pointing to a reduced risk for diabetic, which is
marked by unusually high blood glucose levels)‖)

34. B (para 5, line 5-6: ―recently been shown that rhesus monkeys kept on caloric-restricted
diets for an extended time (nearly 15 years) have less chronic disease‖)

35. C

36. A (para 5, first 4 lines: ―The caloric-restricted animals also look better on indicators of
risk for age-related diseases. For example, they have lower blood pressure and
triglyceride levels (signifying a decreases likelihood of heart disease), and they have
more normal blood glucose levels (pointing to a reduced risk for diabetic, which is
marked by unusually high blood glucose levels)‖)

37. B (para 4: ―The monkey projects demonstrates that compared with control animals that
eat normally, caloric-restricted monkeys have lower body temperatures and levels of the
pancreatic hormone insulin, and they retain more youthful levels of certain hormones that
tend to fall with age.‖)

Question 38-40:-
38. ‗glucose‘ (para 7, line 2-3: ―powers many activities in the body. By limiting food intake,
caloric restriction minimizes the amount of glucose entering cells and decreases ATP
generation.‖)

39. ‗free radicals‘ (para 7,line 7-8: ―One possibility relates to the ATP-making machinery‘s
emission of free radicals, which are thought to continue to aging and to such age-related
diseases as cancer by damaging cells‖)

40. ‗preservation‘ (para 7, last 3 lines: ―damage. Another hypothesis suggests that decreased
processing of glucose could indicate to cells that food is scarce (even if it isn‘t) and
induce them to shift into an anti-aging mode that emphasizes preservation of the
organism over such ‗luxuries‘ as growth and reproduction‖)

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