A 10-year study links high blood sugar levels with cognitive decline


A new study, published in the journal Diabetologia, reveals even more bad news: even for those who do not suffer from type 2 diabetes—the 86 million prediabetics—high blood sugar level has been linked with cognitive decline. While the connection between sugar and Alzheimer’s disease is already understood, this new long-term study, conducted over the course of a decade, focuses on high blood sugar and general memory decline, covering the range of diseases of dementia.


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