Insulin resistance
Insulin resistance reduces the body's sensitivity to insulin. This is a sign an individual has prediabetes or has progressed to develop type 2 diabetes. The result is high glucose levels in the blood which leave the individual feeling tired and weak in most cases. type 3 diabetes is a condition which can follow after initially being diagnosed with type 2 diabetes. In type 3 diabetes, the neurons lack glucose, a key element needed for the neurons to function effectively in body however more specifically the hippocampus and the cerebral cortex. This deficiency can lead to a decrease in memory, judgement and the ability to reason, of which are key symptoms of Alzheimer's disease.