High-quality carbs and fiber in midlife lead to better aging in women: study
NEW YORK, May 19: Aging is a natural process that often comes with slowing down, health challenges, and mental or physical decline. However, new research suggests that the choices women make in midlife, particularly regarding their diet, can significantly influence how well they age.
A study published in JAMA Network Open, conducted by Tufts University and Harvard T.H. Chan School of Public Health, highlights the critical role of carbohydrates and fiber in determining long-term health outcomes. The research focused on the impact of different types of carbs, emphasizing that not all carbohydrates are the same. While some can provide energy and health benefits, others might have detrimental effects, particularly in the long term.
"We wanted to explore how different types of carbohydrates could affect health 30 years down the line, rather than just their immediate impact on weight, energy, or blood sugar," said lead author Andres Ardisson Korat.
The study tracked the diets of 47,000 women, ages 70 to 93, over three decades starting in 1984. Researchers examined their intake of refined carbs, high-quality carbs, and fiber, aiming to identify dietary factors linked to healthy aging. The goal of healthy aging, as defined by the researchers, is reaching 70 without major chronic diseases, maintaining cognitive function, staying physically capable, and feeling mentally well. Among the 47,000 women, only 3,706 fit the definition of healthy aging.
What set these women apart? Their diet. Women who consumed more high-quality carbs, such as whole grains, fruits, vegetables, and legumes, were far more likely to age well. In fact, women who increased their intake of high-quality carbs by just 10% saw a 31% improvement in their chances of healthy aging. Conversely, those who consumed more refined carbs, like sugary snacks and white bread, experienced a 13% decrease in their odds of aging well.
Senior author Qi Sun noted, 'Our results align with previous studies linking the consumption of fruits, vegetables, whole grains, and legumes to lower chronic disease risks. Now, we see these dietary patterns associated with better physical and cognitive health.'
Fiber, too, played a pivotal role. Increased fiber intake was linked to a 17% higher chance of aging healthily. Breaking it down, fruit fiber increased healthy aging odds by 14%, vegetable fiber by 11%, and cereal fiber by 7%. Women who consumed more fiber showed stronger memories, better physical health, and fewer mental health issues.
The study also explored the role of the glycemic index (GI) and glycemic load (GL). Foods with high GI, which raise blood sugar rapidly, are generally less favorable for aging well. Interestingly, high-GL foods were associated with better mental health, but this link disappeared when fiber intake was factored in, suggesting that fiber may counteract some of the negative effects of high-GI foods.
The study's findings underline the importance of swapping refined carbs for high-quality alternatives. Women who made this change saw an 8% to 16% improvement in their chances of aging well. This underscores the broader trend of connecting midlife dietary choices to quality of life in later years.
Dr. Korat emphasized, "This study highlights the connection between food choices in midlife and quality of life later on. The more we understand about healthy aging, the better science can help people live healthier, longer lives."
The research followed women for over 30 years, showing that small, consistent changes in diet — such as eating more whole grains, fruits, and vegetables — can have a profound impact on aging. The study participants, mostly white, educated health professionals, reported their own dietary habits, which may not always be entirely accurate, but the trends remain clear.
In conclusion, the study suggests that healthy aging isn't just about avoiding illness. It's about staying physically active, mentally sharp, and emotionally well. What women eat in their 40s and 50s can influence their health in their 70s and 80s. However, the key is not just eating fewer carbs—it's about choosing the right ones. Whole grains, fruits, vegetables, and legumes provide a better chance for aging well.
The study offers a vital takeaway: what women choose to eat in midlife is an investment in their future. High-quality carbs and fiber do more than just improve digestion—they help lower the risk of chronic diseases, support mental clarity, and promote overall physical health as women age. Aging doesn't have to equate to decline, and it doesn't have to mean slowing down. For these women, the decisions they made decades earlier paid off significantly. And the lesson is clear: it's never too early — or too late — to start making better dietary choices.
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Arab Times
19-05-2025
- Arab Times
High-quality carbs and fiber in midlife lead to better aging in women: study
NEW YORK, May 19: Aging is a natural process that often comes with slowing down, health challenges, and mental or physical decline. However, new research suggests that the choices women make in midlife, particularly regarding their diet, can significantly influence how well they age. A study published in JAMA Network Open, conducted by Tufts University and Harvard T.H. Chan School of Public Health, highlights the critical role of carbohydrates and fiber in determining long-term health outcomes. The research focused on the impact of different types of carbs, emphasizing that not all carbohydrates are the same. While some can provide energy and health benefits, others might have detrimental effects, particularly in the long term. "We wanted to explore how different types of carbohydrates could affect health 30 years down the line, rather than just their immediate impact on weight, energy, or blood sugar," said lead author Andres Ardisson Korat. The study tracked the diets of 47,000 women, ages 70 to 93, over three decades starting in 1984. Researchers examined their intake of refined carbs, high-quality carbs, and fiber, aiming to identify dietary factors linked to healthy aging. The goal of healthy aging, as defined by the researchers, is reaching 70 without major chronic diseases, maintaining cognitive function, staying physically capable, and feeling mentally well. Among the 47,000 women, only 3,706 fit the definition of healthy aging. What set these women apart? Their diet. Women who consumed more high-quality carbs, such as whole grains, fruits, vegetables, and legumes, were far more likely to age well. In fact, women who increased their intake of high-quality carbs by just 10% saw a 31% improvement in their chances of healthy aging. Conversely, those who consumed more refined carbs, like sugary snacks and white bread, experienced a 13% decrease in their odds of aging well. Senior author Qi Sun noted, 'Our results align with previous studies linking the consumption of fruits, vegetables, whole grains, and legumes to lower chronic disease risks. Now, we see these dietary patterns associated with better physical and cognitive health.' Fiber, too, played a pivotal role. Increased fiber intake was linked to a 17% higher chance of aging healthily. Breaking it down, fruit fiber increased healthy aging odds by 14%, vegetable fiber by 11%, and cereal fiber by 7%. Women who consumed more fiber showed stronger memories, better physical health, and fewer mental health issues. The study also explored the role of the glycemic index (GI) and glycemic load (GL). Foods with high GI, which raise blood sugar rapidly, are generally less favorable for aging well. Interestingly, high-GL foods were associated with better mental health, but this link disappeared when fiber intake was factored in, suggesting that fiber may counteract some of the negative effects of high-GI foods. The study's findings underline the importance of swapping refined carbs for high-quality alternatives. Women who made this change saw an 8% to 16% improvement in their chances of aging well. This underscores the broader trend of connecting midlife dietary choices to quality of life in later years. Dr. Korat emphasized, "This study highlights the connection between food choices in midlife and quality of life later on. The more we understand about healthy aging, the better science can help people live healthier, longer lives." The research followed women for over 30 years, showing that small, consistent changes in diet — such as eating more whole grains, fruits, and vegetables — can have a profound impact on aging. The study participants, mostly white, educated health professionals, reported their own dietary habits, which may not always be entirely accurate, but the trends remain clear. In conclusion, the study suggests that healthy aging isn't just about avoiding illness. It's about staying physically active, mentally sharp, and emotionally well. What women eat in their 40s and 50s can influence their health in their 70s and 80s. However, the key is not just eating fewer carbs—it's about choosing the right ones. Whole grains, fruits, vegetables, and legumes provide a better chance for aging well. The study offers a vital takeaway: what women choose to eat in midlife is an investment in their future. High-quality carbs and fiber do more than just improve digestion—they help lower the risk of chronic diseases, support mental clarity, and promote overall physical health as women age. Aging doesn't have to equate to decline, and it doesn't have to mean slowing down. For these women, the decisions they made decades earlier paid off significantly. And the lesson is clear: it's never too early — or too late — to start making better dietary choices.
Arab Times
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Arab Times
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