Diabetes is a chronic disease, it occurs when the pancreas cannot produce insulin anymore in a sufficient quantity, or when the body cannot effectively use the produces insulin .
Insulin is a hormone that regulates sugar rate in the blood. The hyperglycemia or high blood sugar level is a common effect of uncontrolled diabetes and over time leads to serious damage in many organs of the body, especially the nerves and blood vessels in the absence of follow-up .

In 2014 it was 9% of adults aged 18 years or older have diabetes.
In 2012 diabetes was the direct cause of 1.5 million deaths.