Abstract
Vitamin B group may possibly protect against various aging processes, including oxidative stress, neurodegeneration, arteriosclerosis or obesity. Vitamin B group can also alleviate symptoms observed in common diseases among old people such as dementia, vascular diseases, diabetes mellitus, anemia, malignancy and operations. Three cases with vitamin deficiency are described in this paper. Vitamin B group might prevent diseases or conditions often encountered in the aged, involving hyperhomocysteinemia, metabolic syndrome, stroke or Alzheimer's disease. From social point of view, vitamin B group would lessen the expenditure spent for disabled old patients.
