新研究：女性中年饮食选择与老年生活质量相关

Core Findings - A new study reveals the link between dietary choices in middle age and quality of life in old age, particularly for women [1] - Increased intake of dietary fiber and high-quality (unrefined) carbohydrates is associated with better health outcomes in older age, while high consumption of refined carbohydrates and starchy vegetables is detrimental [1] Dietary Impact on Health Aging - The study indicates that total carbohydrate intake, high-quality carbohydrates from whole grains, fruits, vegetables, and dietary fiber can increase the likelihood of healthy aging by 6% to 37% [2] - Conversely, high intake of refined carbohydrates and starchy vegetables is linked to a 13% decrease in the likelihood of healthy aging [2] Research Methodology - The research analyzed health questionnaire data collected every four years from over 47,000 women aged 70 to 93 in 2016, focusing on their dietary habits during middle age and subsequent health status [1] - Healthy aging was defined as the absence of 11 major chronic diseases, no cognitive or physical functional impairments, and good mental health [1]