A recent study shows that cognitive functioning abilities drop as average blood sugar levels rise in people with type 2 diabetes.
The study found a statistically significant inverse relationship between A1C levels (average blood glucose levels) and subjects' scores on four cognitive tests. Researchers found this be administering a 30-minute battery of cognitive tests to nearly 3,000 individuals.
The results showed that even a 1 percent increase in A1C corresponded to lower scores on tests of psychomotor speed, global cognitive function, memory and multiple task management.