JOURNAL ARTICLE

Effects of vitamins E and C combined with β-carotene on cognitive function in the elderly

Yonghua Li, Shumei Liu, Yigang Man, Ning Li, Y U Zhou
Experimental and Therapeutic Medicine 2015, 9 (4): 1489-1493
25780457
The aim of the present study was to investigate the effect of vitamins E (VE) and C (VC), combined with β-carotene (β-C), on cognitive function in the elderly. A total of 276 elderly subjects completed the prospective study following treatment with VE, VC and different doses of β-C or with VE only. Cognitive function was assessed by the Mini-Mental State Examination (MMSE) and Hasegawa Dementia Scale (HDS) tests. The plasma levels of amyloid-β (Aβ) and estradiol (E2 ) were determined by radioimmunoassay (RIA). Results from the MMSE and HDS assessments indicated that the treatment strategy of VE and VC combined with β-C significantly improved cognitive function in the elderly subjects, particularly with higher doses of β-C. Furthermore, RIA suggested that treatment with these vitamins could markedly reduce plasma Aβ levels and elevate plasma E2 levels. The present findings suggest that treatment with VE, VC and β-C results in promising improvements in cognitive function in the elderly.

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