VOA-2010-07-23

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women

Women who said they were physically active even once a week showed less cognitive impairment as measured by a test. There was not a strong link between the amount of physical activity and the stand extent of the impairment, but . But the link was stronger on strongest among those who were active as teenagers. Lora middletern

Laura Middleton says other studies of excercise exercise and cognitive skills have found a stronger link in women than in men. Still, she says, there is no reason to suggest that the finding of about teenage physical activity should not apply to men as well.

Now speaking of teenagers, they were the subject of another new study. It looks looked at the effect effects of a later start for to the school day.

For the studyin , an independent high school delay the in Rhode Island delayed morning classes from 8:00 8 o'clock to 8:30. The change affected about 200 students in grade grades 9 through 12.

In online surveys, students report it reported feeling less sleepy during the day. They read rated themselves as less depressed and more active in school. They also report it reported sleeping longer on school nights and making fewer tired nights related visists tiredness-related visits to the school health center.

Judith Owens of the heath children hospital at Hasbro Children's Hospital led the study. It appears in the achive Archives of and medicine|Pediatrics & Adolescent Medicine.

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听写于：2010-7-23 8:43	用时：20:52
正确率：81% (+0分)	错词：42个