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Adult nutrient intake as a risk factor for Parkinson's disease. BACKGROUND: This population-based case-control study evaluated nutrient intake as a risk factor for Parkinson's disease (PD) among people aged > or =50 years in metropolitan Detroit. METHODS: Cases (n = 126) were diagnosed between 1991 and 1995 and neurologist-confirmed. Controls (n = 432) were frequency-matched for sex, age (+/-5 years) and race. Using a standardized food frequency questionnaire, subjects reported the foods they ate within the past year. RESULTS: Estimating the association between PD and risk of being in the highest versus the lowest intake quartile, there were elevated odds ratios for total fat (OR 1.94, 95% confidence interval [CI] : 1.05-3.58), cholesterol (OR 2.11, 95% CI: 1.14-3.90), lutein (OR 2.52, 95% CI: 1.32-4.84) and iron (OR 1.88, 95% CI: 1.05-3.38). CONCLUSIONS: These results suggest an association of PD with high intake of total fat, saturated fats, cholesterol, lutein and iron. Int J Epidemiol 1999 Dec;28(6):1102-9 Johnson CC, Gorell JM, Rybicki BA, Sanders K, Peterson EL Henry Ford Health System, Detroit, Michigan, USA. PMID: 10661654, UI: 20125296 http://www.ncbi.nlm.nih.gov/PubMed/ janet paterson 52 now / 41 dx / 37 onset a new voice: http://www.geocities.com/janet313/ 613 256 8340 PO Box 171 Almonte Ontario Canada K0A 1A0