减肥也有益于大脑 让你更聪明

Losing weight is not only good for the waistline, it is good for the brain.
减肥不只有利于腰身，还对大脑有益。

Scientists say substantial weight loss improves cognitive functions like memory and concentration.
科学家称大幅度减肥提高人的认知功能如记忆和集中性。

Researchers carried out tests on 150 volunteers, all weighing over 21 stone, and compared them with results from healthy people.
研究人员对150名体重超过21英石的志愿者进行测试，并把研究结果跟健康人的结果做对比。

In some tests, including memory exams, almost a quarter of the overweight participants scored low enough to be considered learning disabled.
在一些测试中，包括记忆力测试，约有1/4肥胖参与者得分低到认为有学习障碍。来源:恒星英语学习网

Many of them had additional health problems, such as high blood pressure, type two diabetes and sleep apnea.
他们当中许多有其他的健康问题，如高血压，二型糖尿病和睡眠呼吸中止症。

After the initial round of testing, two-thirds of the volunteers had gastric bypass surgery to reduce the size of the stomach and lost an average of about 3st 8lbs.
经过第一回合的测试，2/3志愿者进行胃绕道手术来减少胃的体积，平均约减少了3st 8lbs。

(恒星英语学习网原创编译,转载请注明出处!)After 12 weeks, they all took the tests again and the group that lost weight boosted their scores, particularly those involving memory, significantly. They also showed great improvement in organisational skills.
12周后，这些志愿者再一次参加测试，而那些减了肥的人成绩提高了，尤其是那些有关记忆的测试，成绩明显提高。他们在组织技巧方面也表现出巨大进步。

The 41 obese volunteers who declined the surgery ended up with even worse results.
41个肥胖志愿者拒绝这个手术后，成绩变得更差。

Professor John Gunstad, of Kent State University, Ohio, said the research showed obesity can damage the brain, ‘especially the parts most important for paying attention and learning new things’.
俄亥俄州科特州立大学的John Gunstad教授称，研究表明肥胖会伤害大脑，“尤其是关注和学习新事物的最主要部分。”

In the study the researchers also used magnetic resonance imaging to see inside their subjects’ brains.
研究中，研究人员还利用磁共振成像技术来看测试者的大脑内部。

The obese subjects tended to have damage to a particular substance that surrounds and insulates nerve fibres in the brain, suggesting that substance is needed for optimal cognitive function.
肥胖患者容易破坏大脑中围绕和隔离神经纤维的特殊物质，并表明是最佳认知功能所需要的物质。

(恒星英语学习网原创编译,转载请注明出处!)