Plasma homocysteine in Alzheimer's disease with or without co-morbid depressive symptoms.
OBJECTIVE: Elevated homocysteine is associated with a variety of diseases, including Alzheimer's disease (AD) and depressive disorder. This study was designed to detect an association between plasma homocysteine and AD with or without co-morbid depressive symptoms.
METHODS: Plasma homocysteine concentrations were.....