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Vitamin B12 has protective effect against development of Parkinson's disease
![Vitamin B12 has protective effect against development of Parkinsons disease Vitamin B12 has protective effect against development of Parkinsons disease](https://medicaldialogues.in/h-upload/2023/08/16/750x450_216632-dt220920b12pills800x450.webp)
Vitamin B12 has protective effect against development of Parkinson's disease suggests a new study published in the Movement disorders.
Folate and vitamins B6 and B12 have been proposed as protective against the development of Parkinson's disease (PD). Two prior longitudinal studies were inconclusive.
The aim was to examine the association of long-term intake of folate, vitamin B6, and vitamin B12 with the incidence of PD.
The study population comprised 80,965 women (Nurses' Health Study, 1984–2016) and 48,837 men (Health Professionals Follow-up Study, 1986–2016) followed prospectively for the development of PD. Intake of B vitamins was measured at baseline and every 4 years thereafter using food frequency questionnaires. We estimated the hazard ratio (HR) and 95% confidence interval (CI) of PD based on quintiles of cumulative average intake adjusting for potential confounders. Secondary analyses considered different lagged exposure periods as well as baseline and recent intakes.
Results
In separate analyses of cumulative average intake, total folate, B6, and B12 were not associated with the risk of PD. Results from 8-, 12-, and 16-year lag analyses were consistent with these findings. Results for baseline intake of folate and B6 also pointed toward a null association. In contrast, a lower PD risk was observed among individuals with higher baseline total intake of B12 (pooled HR top vs. bottom quintile: 0.80; 95% CI: 0.67–0.95; P-trend = 0.01); results from 20-year lag analyses were consistent with this finding.
The results do not support the hypothesis that a higher intake of folate or vitamin B6 would reduce PD risk in this population. Our results provide moderate support for a possible protective effect of vitamin B12 on the development of PD. © 2023 International Parkinson and Movement Disorder Society.
Reference:
Flores-Torres, M.H., Christine, C.W., Bjornevik, K., Molsberry, S.A., Hung, A.Y., Healy, B.C., Blacker, D., Schwarzschild, M.A. and Ascherio, A. (2023), Long-Term Intake of Folate, Vitamin B6, and Vitamin B12 and the Incidence of Parkinson's Disease in a Sample of U.S. Women and Men. Mov Disord, 38: 866-879. https://doi.org/10.1002/mds.29383
Keywords:
Vitamin B12, protective effect, against, development, Parkinson's disease, Flores-Torres, M.H., Christine, C.W., Bjornevik, K., Molsberry, S.A., Hung, A.Y., Healy, B.C., Blacker, D., Schwarzschild, M.A. and Ascherio, A, Movement disorders
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: editorial@medicaldialogues.in. Contact no. 011-43720751