Harris et al. [2] also provided evidence of the presence of retinal hypoxia in
the early stages of diabetes by showing that contrast sensitivity was improved when patients with early diabetic retinopathy were made hyperoxic.
Speaking of an empty stomach, frequent migraines are also commonly a sign you may be in
an early stage of diabetes called insulin resistance.
Lack of sleep interferes with metabolism and hormone production in a way that is similar to the effects of aging and
the early stages of diabetes.
Some cats in
the early stages of diabetes can be maintained without insulin injections if they are given oral medications that lower their blood sugar, combined with special diets, weight loss and an exercise program.
Symptoms are often subtle in
the early stages of diabetes, advancing to widespread deterioration in the health of the patient as the disease progresses unchecked.