Greg M. Cole is associate director of the Alzheimer's Disease Research Center at the UCLA David Geffen School of Medicine and a neuroscientist with the Greater Los Angeles VA Healthcare System. He described the findings as provocative but not definitive.
"It could be that the Mediterranean diet is slowing the progression of Alzheimer's," he acknowledged. "But there could also be other explanations. For example, a lot of people who have Alzheimer's also have cardiovascular disease. The risk factors for both illnesses show a lot of overlap. And it is a pretty well established benefit that the Mediterranean diet protects against heart disease."
"So, it could be that the Mediterranean diet is actually slowing down the accompanying spectrum of vascular problems that lead to stroke and heart attack and other problems associated with a cardiovascular disease that lead to mortality," explained Cole. "So, death is not as good a measure here as the progression of cognitive decline. Is the diet actually slowing down the cognitive decline of Alzheimer's itself? That's the next question. And, if so, that would certainly be a very significant result."
More information
For additional information on the Mediterranean diet, visit the American Heart Association.
SOURCES: Nikolaos Scarmeas, M.D., assistant professor, department of neurology, Columbia University Medical Center, New York City; Greg M. Cole, Ph.D., neuroscientist, Greater Los Angeles VA Healthcare System, and
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