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Consumption of ultra-processed foods and health status: a systematic review and meta-analysis.
Pagliai, G, Dinu, M, Madarena, MP, Bonaccio, M, Iacoviello, L, Sofi, F
The British journal of nutrition. 2021;125(3):308-318
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Ultra-processed foods (UPF) are, according to the NOVA classification, “formulations of ingredients, mostly for industrial use only, derived from a series of industrial processes”. UPF represents an important and growing part of the world’s food supply. The aim of this study was to assess the relationship between UPF consumption as defined by NOVA and health status. This study is systematic review with meta-analysis of all the cross-sectional and cohort studies published to-date. At the end of the selection process, twenty-three articles were included in the qualitative analysis and nineteen in the quantitative analysis. Results indicate the possible association between high UPF consumption, worse cardiometabolic risk profile (reported by an increased risk of overweight/obesity, elevated waist circumference, reduced high-density lipoprotein-cholesterol levels and increased risk of the metabolic syndrome), and greater risk of all-cause mortality, cardiovascular disease, cerebrovascular disease and depression. Authors conclude that their findings have important public health implications, especially for food policymakers who should discourage the consumption of UPF and promote fresh and minimally processed foods to improve health status.
Abstract
Increasing evidence suggests that high consumption of ultra-processed foods (UPF) is associated with an increase in non-communicable diseases, overweight and obesity. The present study systematically reviewed all observational studies that investigated the association between UPF consumption and health status. A comprehensive search of MEDLINE, Embase, Scopus, Web of Science and Google Scholar was conducted, and reference lists of included articles were checked. Only cross-sectional and prospective cohort studies were included. At the end of the selection process, twenty-three studies (ten cross-sectional and thirteen prospective cohort studies) were included in the systematic review. As regards the cross-sectional studies, the highest UPF consumption was associated with a significant increase in the risk of overweight/obesity (+39 %), high waist circumference (+39 %), low HDL-cholesterol levels (+102 %) and the metabolic syndrome (+79 %), while no significant associations with hypertension, hyperglycaemia or hypertriacylglycerolaemia were observed. For prospective cohort studies evaluating a total population of 183 491 participants followed for a period ranging from 3·5 to 19 years, highest UPF consumption was found to be associated with increased risk of all-cause mortality in five studies (risk ratio (RR) 1·25, 95 % CI 1·14, 1·37; P < 0·00001), increased risk of CVD in three studies (RR 1·29, 95 % CI 1·12, 1·48; P = 0·0003), cerebrovascular disease in two studies (RR 1·34, 95 % CI 1·07, 1·68; P = 0·01) and depression in two studies (RR 1·20, 95 % CI 1·03, 1·40; P = 0·02). In conclusion, increased UPF consumption was associated, although in a limited number of studies, with a worse cardiometabolic risk profile and a higher risk of CVD, cerebrovascular disease, depression and all-cause mortality.
2.
Nutritional Interventions in the Management of Fibromyalgia Syndrome.
Pagliai, G, Giangrandi, I, Dinu, M, Sofi, F, Colombini, B
Nutrients. 2020;12(9)
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Fibromyalgia (FM) is a chronic pain condition, often presenting with widespread body pain, joint stiffness, sleep disorders, depression, anxiety, gastrointestinal and cognitive complaints. Despite being common, the cause of FM is not well understood. In the absence of effective treatments, the current management of FM involves a multidisciplinary approach utilizing pharmacological and non-pharmacological interventions. Growing evidence suggests a role for nutrition as a complementary strategy for FM management. This brief review summarises the possible impact of nutritional supplements and dietary interventions on FM. Previous reviews concluded that vitamin and mineral deficiencies themselves are unlikely to be significant in the development of FM. Yet, a few interventional studies investigating the use of Vitamin D, magnesium, iron and probiotics showed promising results. To date, there is no or limited evidence for the use of Vitamin C, E, selected amino acids, botanical or antioxidant supplements. Food-wise the inclusion of quality olive oil and the grain Khorasan proved helpful on FM presentation, whilst findings around the role of dietary monosodium glutamate and aspartame seem mixed. Regarding diet patterns, gluten-free, low-calorie, vegetarian, vegan, raw food or Mediterranean diets were all associated with improvement of symptoms. Equally a FODMAP diet can aid FM associated digestive complaints due to the significant overlap of Irritable Bowel Syndrome with FM. The authors concluded that the clinical application of dietary supplements in the management of FM remains controversial. Yet, dietary interventions appear to be an effective tool in the management of FM. Since various diet interventions demonstrated benefits, dietary adequacy and weight loss may be most critical from a clinical perspective.
Abstract
Fibromyalgia (FM) is a multifactorial syndrome of unknown etiology, characterized by widespread chronic pain and various somatic and psychological manifestations. The management of FM requires a multidisciplinary approach combining both pharmacological and nonpharmacological strategies. Among nonpharmacological strategies, growing evidence suggests a potential beneficial role for nutrition. This review summarizes the possible relationship between FM and nutrition, exploring the available evidence on the effect of dietary supplements and dietary interventions in these patients. Analysis of the literature has shown that the role of dietary supplements remains controversial, although clinical trials with vitamin D, magnesium, iron and probiotics' supplementation show promising results. With regard to dietary interventions, the administration of olive oil, the replacement diet with ancient grains, low-calorie diets, the low FODMAPs diet, the gluten-free diet, the monosodium glutamate and aspartame-free diet, vegetarian diets as well as the Mediterranean diet all appear to be effective in reducing the FM symptoms. These results may suggest that weight loss, together with the psychosomatic component of the disease, should be taken into account. Therefore, although dietary aspects appear to be a promising complementary approach to the treatment of FM, further research is needed to provide the most effective strategies for the management of FM.