Dietary epidemiology of essential tremor: meat consumption and meat cooking pactices
- Dietary epidemiology of essential tremor: meat consumption and meat cooking pactices
- Louis, Elan D.
Keating, Garrett A.
Bogen, Kenneth T.
Pellegrino, Kathryn M.
- Center for Parkinson's Disease and Other Movement Disorders
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- Background/Aim: Harmane [1-methyl-9H-pyrido(3,4-b)indole] is a tremor-producing neurotoxin. Blood harmane concentrations are elevated in essential tremor (ET) patients for unclear reasons. Potential mechanisms include increased dietary harmane intake (especially through well-cooked meat) or genetic-metabolic factors. We tested the hypothesis that meat consumption and level of meat doneness are higher in ET cases than in controls. Methods: Detailed data were collected using the Lawrence Livermore National Laboratory Meat Questionnaire. Results: Total current meat consumption was greater in men with than without ET (135.3 ± 71.1 vs. 110.6 ± 80.4 g/day, p = 0.03) but not in women with versus without ET (80.6 ± 50.0 vs. 79.3 ± 51.0 g/day, p = 0.76). In an adjusted logistic regression analysis in males, higher total current meat consumption was associated with ET (OR = 1.006, p = 0.04, i.e., with 10 additional g/day of meat, odds of ET increased by 6%). Male cases had higher odds of being in the highest than lowest quartile of total current meat consumption (adjusted OR = 21.36, p = 0.001). Meat doneness level was similar in cases and controls. Conclusion: This study provides evidence of a dietary difference between male ET cases and male controls. The etiological ramifications of these results warrant additional investigation.
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- Elan D. Louis, Garrett A. Keating, Kenneth T. Bogen, Eileen Rios, Kathryn M. Pellegrino, Pam Factor-Litvak, 2008, Dietary epidemiology of essential tremor: meat consumption and meat cooking pactices, Columbia University Academic Commons, http://hdl.handle.net/10022/AC:P:9919.