Table 3. Vitamin E and Neurology Studies
| Study Location
| Study Size
| General Findings
| Reference: Primary Author
|
| Netherlands
| multiple populations
| Oxidation may cause neurodegenerative disorders
| Launer
|
| Switzerland
| 442
| Higher vitamin C and beta- carotene levels related to better memory
| Perrig
|
| United States
| 4,809
| Low vitamin E serum concentrations associated with poor memory
| Perkins
|
| United States
| 3,385
| Vitamin E and C supplements decrease risk of vascular dementia and improve cognitive function
| Masaki
|
| Austria,
| 1,769
| Low vitamin E plasma levels associated with poor cognitive function
| Schmidt
|
| United Kingdom
| 274
| Lower plasma antioxidant concentrations in Alzheimer's, vascular dementia, and Parkinson's dementia
| Foy
|
| Netherlands
| 5,182
| Dietary beta-carotene is associated with mental function test performance
| Jama
|
| United States
| 30
| Low folate levels associated with more severe atrophy of neocortex
| Snowdon
|
| United States
| multiple populations
| Using vitamin E in Alzheimer disease has scientific basis
| Grundman
|
| United States
| 341
| 2000 IU/day vitamin E or 10 mg/day selegiline delays progression of Alzheimer disease
| Sano
|
| United States
| multiple populations
| High dose vitamin E in treating neurological disorders of aging has scientific basis
| Vatassery
|
| United States
| 633
| Vitamin E and C supplementation help lower risk of Alzheimer's
| Morris
|
| United States
| 35
| 1600 IU/day improves tardive dyskinesia
| Lohr
|