The significance of dietary factors as triggers for migraines is controversial, and the assessment of this topic is complex and inconclusive. In order to evaluate the published evidence on dietary triggers, a critical review of the literature was performed by conducting a search for food item descriptors linked to migraines in the PubMed and SciELO databases. Reviews and relevant references cited within the articles that resulted from the search were also included. Of the 45 studies reviewed, 16 were population studies that involved the association between migraines and eating habits or the prevalence of related dietary factors; 12 involved interventions or analyzed observational prospective cohorts; and 17 were retrospective studies. Approximately 30 dietary triggers were explored in total, although only seven of these were addressed experimentally. In the prospective studies, patients were instructed to keep a diary; two of these studies involved dietary interventions. Conclusions that are based on nonpharmacological prophylactic strategies with a scientific basis and that show an association between certain dietary factors and the triggering of migraines are limited by the lack of prospective studies with clear experimental designs. Nevertheless, the high frequency of possible specific dietary triggers validates efforts to elucidate the involvement of food-related factors in precipitating migraines.

(23.3%; n = 147), "restricted" (22.7%; n = 143), "healthy" (22.0%; n = 139), "Brazilian processed" (17.4%; n = 110) and "mixed" (14.5%; n = 92). The healthy pattern was positively associated to lower age (< 10 years, children)

Avaliação da inserção de alimentos orgânicos provenientes da agricultura familiar na alimentação escolar, em municípios dos territórios rurais do Rio Grande do Sul, BrasilEvaluation of the inclusion of organic food from family-based agriculture in school food in municipalities of rural territories of the state of Rio Grande do Sul, Brazil

BackgroundStudies suggest a higher prevalence of unfavourable cardiovascular risk factors amongst migraineurs, but results have been conflicting. The aim of this study was to investigate traditional and newly recognized risk factors as well as other surrogate markers of cardiovascular risk in obese and normal weight women with migraine.MethodsFifty-nine adult female probands participated in this case–control study. The sample was divided into normal weight and obese migraineurs and age- and body mass index-matched control groups. The following cardiovascular risk factors were analyzed: serum levels of lipids, fasting glucose, and insulin; insulin resistance; blood pressure; smoking (categorized as current, past or never); Framingham 10-year risk of general cardiovascular disease score; C-reactive protein; family history of cardiovascular disease; physical activity; sleep disturbances; depression; and bioelectrical impedance phase angle. The means of continuous variables were compared using Student’s t-test for independent samples or the Mann–Whitney U-test (for 2 groups) and ANOVA or the Kruskal-Wallis test (for 4 groups) depending on the distribution of data.ResultsAll migraineurs were sedentary irrespective of nutritional status. Migraineurs had higher depression scores and shorter sleep duration, and obese migraineurs, in particular, had worse sleep quality scores. Insulin resistance and insulinaemia were associated with obesity, and obese migraineurs had lower HDL-c than normal weight controls and migraineurs. Also, the Framingham risk score was higher in obese migraineurs.ConclusionThese findings suggest that female migraineurs experience marked inactivity, depression, and some sleep disturbance, that higher insulin resistance and insulinaemia are related to obesity, and that obesity and migraine probably exert overlapping effects on HDL-c levels and Framingham 10-year cardiovascular risk.

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The role of the nutritionist in the National School Food Program in the southern region of Brazil

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