Searched over 200M research papers for "diet food"
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These studies suggest that a diet high in plant-based foods and low in animal-based foods, such as the Mediterranean diet, can promote good health and reduce the risk of chronic diseases, while Western-type diets high in sugar, fat, and red meats are linked to adverse health effects.
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Dietary guidelines are essential for providing evidence-based recommendations on food choices to meet nutritional needs and reduce the risk of chronic diseases. These guidelines emphasize the importance of considering dietary patterns, individual foods, and nutrients to create a comprehensive approach to healthy eating. The concept of core and discretionary foods helps distinguish between nutrient-rich and nutrient-poor foods, which is crucial for developing effective food policies and manufacturing practices.
The Mediterranean diet is a well-researched dietary pattern associated with numerous health benefits. This diet is characterized by high consumption of plant-based foods, such as fruits, vegetables, whole grains, legumes, nuts, and seeds, with olive oil as the primary fat source. It also includes moderate consumption of fish, poultry, and dairy products, and low consumption of red meat and sweets. Studies have shown that this diet is linked to lower rates of coronary heart disease, certain cancers, and other chronic diseases, making it an attractive model for healthy eating .
Modern dietary patterns like the DASH (Dietary Approaches to Stop Hypertension) and MIND (Mediterranean-DASH Intervention for Neurodegenerative Delay) diets have been designed to reduce disease risk. These diets emphasize the consumption of plant-based foods and limit the intake of animal-based and processed foods. Research indicates that such dietary patterns can significantly reduce the risk of non-communicable diseases (NCDs) such as cardiovascular disease and cancer .
A global review of food-based dietary guidelines (FBDG) reveals common recommendations across countries, such as consuming a variety of foods, prioritizing fruits and vegetables, and limiting sugar, fat, and salt intake. However, there are variations in guidelines regarding dairy, red meat, and nuts. The review suggests that incorporating environmental sustainability and sociocultural factors into FBDG could enhance their effectiveness.
The Academy of Nutrition and Dietetics advocates for a total diet approach, focusing on the overall pattern of food intake rather than categorizing specific foods as good or bad. This approach emphasizes balance, variety, and moderation, combined with physical activity, to promote healthy eating habits. It also highlights the importance of public policies and dietary patterns that support this holistic view of diet.
Research on diet quality among women eligible for the Supplemental Nutrition Assistance Program-Education (SNAP-Ed) shows poor adherence to dietary guidelines, with low intake of fruits, vegetables, dairy, and whole grains. Food security status significantly affects diet quality, indicating a need for targeted nutrition interventions to improve food security and diet quality in low-income populations.
Diet plays a crucial role in cancer prevention. Maintaining a healthy body weight, limiting alcohol intake, and consuming a diet rich in fruits and vegetables can reduce the risk of various cancers. Conversely, high consumption of red and processed meats, salt-preserved foods, and very hot foods and drinks can increase cancer risk. Regular physical activity is also recommended to lower the risk of colorectal and breast cancers .
The Western diet, characterized by high intakes of processed and high-sugar foods, is associated with adverse health effects, including increased risks of metabolic disorders, cardiovascular diseases, and certain cancers. This diet's impact on gut microbiota and inflammation further exacerbates its negative health outcomes. Understanding these effects can help in developing strategies to mitigate the health risks associated with the Western diet.
In summary, a healthy diet is best defined by overall dietary patterns that emphasize plant-based foods, moderate consumption of animal products, and limited intake of processed and high-sugar foods. The Mediterranean, DASH, and MIND diets serve as excellent models for healthy eating. Global dietary guidelines and the total diet approach provide comprehensive frameworks for promoting balanced and nutritious diets. Addressing food security and understanding the impacts of different dietary patterns are crucial for improving public health outcomes.
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