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Young Adults Who Exercise Get Higher IQ Scores

Y o u n g adults w h o are fit have a higher IQ and are more 51 to go on to university, reveals a major n e w study carried out at the Sahlgrenska A c a d e m y and Sahlgrenska University Hospital.

The results were recently published in the Proceedings of the National A c a d e m y of Sciences ( PNAS) . The study involved 1.2 million Swedish m e n doing military service w h o were b o m between 1 950 and 1976. The research group analyzed the 52 of both physical and IQ tests the youngsters took fight after they started serving the army.

The study shows a clear link 53 good physical fitness and better results for the IQ test. The strongest links are for 54 thinking and verbal comprehension. But it is only fitness that plays a 55 in the results for the IQ test, and not strength. “Being fit means that you also have good heart and lung 56 and that your brain gets plenty of 57 ，” says Michael Nilsson, professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital. “This may be one of the reasons 58 we can see a clear link with fitness, but not with muscular 59 . We are also seeing that there are growth factors that are important.”

By analysing data for tw ins，the researchers have been 60 to determine that it is primarily environmental factors and not genes that explain the link between fitness and a 61 IQ .

“We have also shown that those youngsters who 62 their physical fitness between ages of 15 and 18 increase their cognitive performance，” says Mafia Aberg, researcher at the Sahlgrenska Academy and physician at Aby health centre. “This being the case，physical 63 is a subject that has an important place in schools, and is an absolute must if w e want to do well in maths and other theoretical subjects.”

The researchers have also compared the results from fitness tests 64 national service with the socio-economic status of the m e n later in 65 . Those w h o were fit at 18 were more likely to go into higher education，and many secured more qualified jobs.

51. A. carefully B. secretly C. likely D. happily

52. A. answers B. works C. scores D. results

53. A. behind B. between C. a m o n g D. without

54. A. logical B. critical C. typical D. positive

55. A. place B. g ame C. role D. trick

56. A. capacity B. disease C.shape D. treatment

57. A. change B. hydrogen C. oxygen D. m e m o r y

58. A. what B. w h y C. h o w D. where

59. A. exercise B. training C. strength D. m o v ement

60. A. able B. clever C. lucky D. clear

61. A. moderate B. average C. lower D. higher

62. A. ignore B. improve C. like D. determine

63. A. examination B. labor C.movement D. during

64. A. before B. after C.without D. service

65. A. marriage B. life C.residence D. service

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