Living condition, weight loss and cognitive decline among people with dementia.

Cognitive decline was significantly faster for patients living in nursing homes and for solitary patients. BMI consistently decreased in the follow-up examination and this drop was stronger in patients living alone and in nursing homes. Patients with VaD manifested a stronger BMI decline as compared with AD patients. This study suggests that impoverished conditions such as nursing homes or social isolation of solitary people contribute to stronger progress in dementia. Healthcare professionals need to implement meaningful activities for institutionalized people and for people who are living alone to eliminate the negative impact of an impowerished environment on patient's cognitive functioning.