Symptoms & Causes of Diabetes. What are the symptoms of diabetes? Symptoms of diabetes include. increased thirst and urination. increased hunger. fatigue. blurred vision. numbness or tingling in the feet or hands.
A quarter of people with diabetes are unaware of their condition, according to the CDC. The reason is that symptoms of diabetes can be so mild that they go unnoticed.
Type 1 diabetes occurs when your immune system, the body’s system for fighting infection, attacks and destroys the insulin -producing beta cells of the pancreas. Scientists think type 1 diabetes is caused by genes and environmental factors, such as viruses, that might trigger the disease. Studies such as TrialNet