Vou traduzir somente a conclusão do estudo:
O consumo frequente de produtos lácteos parece estar associado a um aumento moderado do risco de PD em mulheres e homens.Neurology.
2017 Jul 4;89(1):46-52. doi: 10.1212/WNL.0000000000004057. Epub 2017 Jun 8.
Intake of dairy foods and risk of Parkinson disease.Hughes KC1Gao X2Kim IY2Wang M2Weisskopf MG2Schwarzschild MA2Ascherio A2
To prospectively examine the association between commonly consumed dairy products and the risk of Parkinson disease (PD) in women and men.
Analyses were based on data from 2 large prospective cohort studies, the Nurses' Health Study (n = 80,736) and the Health Professionals Follow-up Study (n = 48,610), with a total of 26 and 24 years of follow-up, respectively. Both US-based studies were conducted via mailed biennial questionnaires. Dietary intake was assessed with food frequency questionnaires administered repeatedly over the follow-up period. Incident cases of PD (n = 1,036) were identified via questionnaires and subsequently confirmed by reviewing medical records. We also conducted a meta-analysis to combine our study with 3 previously published prospective studies on total milk intake and PD risk and 1 study on total dairy intake and PD risk.
While total dairy intake was not significantly associated with PD risk in our cohorts, intake of low-fat dairy foods was associated with PD risk. The pooled, multivariable-adjusted hazard ratio (HR) comparing people who consumed at least 3 servings of low-fat dairy per day to those who consumed none was 1.34 (95% confidence interval [CI] 1.01-1.79, p trend = 0.04). This association appeared to be driven by an increased risk of PD associated with skim and low-fat milk (HR 1.39, 95% CI 1.12-1.73, p trend <0.01). Results were similar in women and men (p for heterogeneity >0.05). In the meta-analysis, the pooled relative risk comparing extreme categories of total milk intake was 1.56 (95% CI 1.30-1.88), and the association between total dairy and PD became significant (HR 1.27, 95% CI 1.04-1.55).
Frequent consumption of dairy products appears to be associated with a modest increased risk of PD in women and men.
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