Known as brain infarcts, they're involved in vascular dementia, the second most common form of dementia, after Alzheimer's disease.

CNN: Mediterranean diet may help prevent dementia, study says

Memantine is also especially useful in the treatment of patients with Alzheimer's disease and patients with vascular dementia.

CNN: Better understanding of dementia leading to more effective therapies

Haloperidol (Haldol) is indicated in the treatment of behavior issues in a patient with Alzheimer's disease, but can be harmful to a patient with dementia caused by Parkinson's disease.

CNN: Better understanding of dementia leading to more effective therapies

Alzheimer's disease affects millions of people world-wide and is the leading cause of dementia in the elderly.

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