You don't hear a lot of good news about Alzheimer's disease. Cases continue to mount--5 million Americans and counting--and there are still only a handful of drugs available to treat it, all of which work only in the early stages of the disease. So it was with some excitement that doctors read the report in the New England Journal of Medicine last week about the first treatment that can slow the progression of the disease in advanced cases.
The drug is called memantine. It has been used for more than a decade in Europe for various neurological conditions, including Parkinson's....