Effectiveness of support groups for people with mild to moderate Alzheimer's disease: an evaluative survey.

Support groups can provide a forum for socialization and learning for people with mild to moderate Alzheimer's disease. The aim of this study was to evaluate the effectiveness of these groups based on participant feedback. A survey questionnaire was administered to 70 support group participants with Alzheimer's disease from 8 well-established groups across the United States.

Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial.

Background: Vitamin B-12 deficiency is associated with cognitive impairment in older people. However, evidence from randomized trials of the effects of vitamin B-12 supplementation on cognitive function is limited and inconclusive.

Objective: The objective was to investigate whether daily supplementation with high doses of oral vitamin B-12 alone or in combination with folic acid has any beneficial effects on cognitive function in persons aged >/=70 y with mild vitamin B-12 deficiency.