High blood sugar levels are known to be detrimental to the brain, but even levels that are on the upper end of the normal range may be harmful, according to a new study.The Australian study of nearly 250 non-diabetic men and women found those people whose blood sugar levels were on the high end of the normal range, not high enough to be categorized as having diabetes or prediabetes, were more likely to have brain shrinkage in certain areas linked to memory and emotional … [Read more...]