在这项新研究中,研究人员分析了生活在英国的9600多名平均年龄为55岁的参与者信息。研究人员测量了参与者的身体质量指数和腰臀比,然后通过核磁共振成像测量了他们的脑容量。
The study found that people with both a high BMI and high waist-to-hip ratio had the lowest brain volumes, compared with people who had just a high BMI (but not a high waist-to-hip ratio) and people of a healthy weight.
研究发现,和身体质量指数高但腰臀比不高的人以及体重正常的人相比,身体质量指数和腰臀比都高的人脑容量最小。
Specifically, people with both a high BMI and high waist-to-hip ratio had an average gray matter volume of 786 cubic centimeters, compared with 793 cubic centimeters for people with a high BMI but not a high waist-to-hip ratio; and 798 cubic centimeters for people of a healthy weight.
详细来说,身体质量指数和腰臀比都高的人平均脑灰质体积为786立方厘米,而身体质量指数高但腰臀比不高的人平均脑灰质体积为793立方厘米,体重健康的人平均脑灰质体积为798立方厘米。
The findings held even after researchers took into account other factors that can affect brain volume, including age, smoking and high blood pressure.
即使在研究人员考虑了年龄、吸烟和高血压这些会影响脑容量的其他因素之后,这一发现依旧成立。
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