在肥胖流行病期间的智力和肥胖
Rebecca B Clarke1,2, Gunhild T Okholm3,4, Erik L Mortensen4
1National Institute of Public Health, Faculty of Health Sciences, University of Southern Denmark, Copenhagen, Denmark. rbc@sdu.dk.
Scientific reports
|February 6, 2025
概括
较低的智力与更高的体重指数 (BMI) 有关,尽管肥胖率不断上升,但这种关系仍然存在. 这项研究发现,智力测试成绩和BMI之间的反向关联在几十年中保持一致.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 认知科学 认知科学
背景情况:
- 长期研究表明,智力和身体质量指数 (BMI) 之间存在反向关系.
- 在过去的50年里,人们观察到肥胖和超重的流行率显著增加.
- 肥胖率上升对智力-BMI关联的影响需要调查.
研究的目的:
- 为了确定肥胖率的增加是否改变了智力和BMI之间的关系.
- 为了比较两个不同出生年份的不同队列中的智力-BMI关联.
主要方法:
- 分析了两个大队伍的丹麦征兵 (N=419,319),出生于1939-1959年和1983-2001年之间.
- 使用情报测试成绩 (ITS) 评估情报.
- 检查身体质量指数 (BMI) 和超重和肥胖的流行率.
主要成果:
- 在早期和晚期队伍之间,肥胖患病率从0.8%上升到6.7%.
- 两组人都表现出智力测试成绩 (ITS) 和BMI之间的反向关联.
- 智力测试得分 (ITS) 显示了与BMI的反向J形关联,BMI达到20 kg/m2的峰值,然后下降.
结论:
- 智力和较高的BMI水平之间的反向关系尽管增加了肥胖患病率,但仍保持着.
- 与BMI相关的智力测试成绩 (ITS) 的模式在所有队列中保持一致.
- 研究结果表明,认知能力与体重之间的基本关联随着时间的推移而持续存在.
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