身体活动,包括行走,以及老年女性的认知功能
Jennifer Weuve1, Jae Hee Kang, JoAnn E Manson
1Department of Epidemiology, Harvard School of Public Health, Boston, Mass 02215, USA. jweuve@hsph.harvard.edu
JAMA
|September 24, 2004
概括
定期的体力活动,包括步行,显著提高认知功能,并减少老年妇女的认知衰退. 保持活跃的生活方式有助于大脑健康,并可以预防损伤.
科学领域:
- 老年学是指老年学的学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 身体活动因其在老年人群中保持认知功能的潜力而得到认可.
- 了解定期运动 (如步行) 对认知健康的具体影响,对于开发有效的干预措施至关重要.
研究的目的:
- 调查长期定期体育活动 (包括步行) 与老年女性认知功能之间的关联.
- 为了确定较高的体力活动水平是否与更好的基线认知表现和更慢的认知衰退相关.
主要方法:
- 该研究分析了参与护士健康研究的18766名美国妇女 (70-81岁) 的数据.
- 从1986年开始,通过每两年一次的问卷来评估身体活动,对基线认知评估 (1995-2001) 的能量消耗平均值.
- 认知功能使用验证的通话评估来评估一般认知,记忆,流性和注意力,在大约两年内两次进行认知功能评估.
主要成果:
- 较高的体力活动水平与更好的认知表现和降低认知障碍风险显著相关.
- 与最低五分位数相比,体育活动最高五分位数的女性的认知障碍风险降低了20%.
- 经常步行 (≥1.5小时/周) 与更高的全球认知分数有关,更活跃的女性在两年内表现出较少的认知衰退.
结论:
- 长期参与定期的体力活动,包括步行,与老年女性的认知功能保持密切相关.
- 这些发现强调了身体活动作为维持大脑健康和预防老年人认知衰退的可修改因素的重要性.
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