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Life sciences · Journal article
Romanian Journal of Preventive Medicine · October 7, 2026
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Background: Chronic diseases are major contributors to global morbidity, mortality, disability, and healthcare costs. Modifiable lifestyle factors, particularly dietary habits, play an important role in the prevention and progression of non-communicable diseases. Objective: This review critically examines the relationship between nutrition, dietary patterns, lifestyle choices, and the prevention of chronic diseases, with particular emphasis on inflammation, weight management, whole-grain consumption, fruits and vegetables, phytochemicals, precision nutrition, and community-based public health interventions. Methods: A narrative review of the existing literature from Google scholar, PubMed and Scopus was conducted to synthesize evidence on the role of nutrition and dietary lifestyle choices in chronic disease prevention. Results: Current evidence indicates that dietary patterns rich in minimally processed plant foods, whole grains, fruits, vegetables, dietary fiber, healthy fats, and bioactive compounds are associated with reduced risks of several chronic diseases. These dietary components may exert beneficial effects through the modulation of inflammation, oxidative stress, immune responses, metabolic function, vascular health, and the gut microbiota. Sustainable weight management through balanced nutrition and regular physical activity further contributes to improved metabolic health and reduced chronic disease risk. Whole-grain consumption has been associated with lower risks of cardiovascular disease, type 2 diabetes, obesity, colorectal cancer, and mortality. Fruits, vegetables, and phytochemical-rich foods provide essential nutrients and bioactive compounds that may support antioxidant and anti-inflammatory pathways. Conclusions: Healthy dietary patterns and complementary lifestyle behaviors represent important strategies for preventing and managing chronic diseases. Promoting balanced, nutrient-rich, culturally appropriate, and sustainable diets, together with physical activity and supportive community environments, may substantially reduce the global burden of chronic diseases.