“While this is a study of association, not designed to prove cause and effect, there are a number or elements to fortify the proposition that some acceleration in cognitive decay may be attributed to ultraprocessed foods,” Dr. David Katz, a specialist in preventive and lifestyle medicine and nutrition, told CNN. Katz was not involved in the study.
“The sample size is substantial, and the follow-up extensive. While short of proof, this is robust enough that we should conclude ultraprocessed foods are probably bad for our brains.”
The study was published Monday in the journal JAMA Neurology.
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