This paper provides a comprehensive overview of diabetes as a growing global health burden. It defines Type 1 and Type 2 diabetes, traces the history of the condition from ancient Egypt to modern medical milestones, and presents epidemiological data from the CDC and WHO on prevalence across age, gender, and ethnic groups. The paper also examines key risk factors—including obesity, smoking, and physical inactivity—alongside the individual, societal, and economic costs of the disease. Finally, it covers the physiological mechanisms behind diabetes, diagnostic methods such as the A1C test, and the long-term prognosis for patients with poorly managed diabetes.
The World Health Organization (WHO) reports an increasing prevalence of diabetes worldwide (WHO, 2016). The WHO links diabetes to other chronic conditions such as kidney failure, stroke, heart attacks, retinopathy, and neuropathy — conditions that lead to a decline in life expectancy. A report published by the Centers for Disease Control and Prevention (CDC) indicates an increasing prevalence of diabetes in the United States and identifies diabetes as the seventh leading cause of mortality, reflecting a growing public health burden (CDC, 2017).
According to the National Institutes of Health (NIH, 2019), diabetes is a non-communicable chronic disease that manifests either when the body is ineffectively using produced insulin, or when the insulin produced by the pancreas is insufficient. Insulin is the blood sugar-regulating hormone whose inefficient regulation results in a raised blood sugar condition referred to as hyperglycemia. The occurrence of hyperglycemia is detrimental to the body, particularly to the blood vessels and nerves. There are two main types of diabetes: Type 1 and Type 2 (NIH, 2019).
Type 1 diabetes — formerly referred to as insulin-dependent diabetes — occurs due to deficient production of insulin. Patients with Type 1 diabetes present symptoms such as constant hunger and thirst, excessive urination, fatigue, weight loss, and vision impairment, and are managed through daily insulin administration. Type 2 diabetes, commonly referenced as non-insulin-dependent diabetes, occurs when the body is unable to effectively use the insulin it produces. Type 2 diabetes is the most prevalent form worldwide, resulting mainly from low physical activity and excessive weight gain. The CDC (2017) reports that although the risk of developing diabetes increases with age, the prevalence of the condition in children is steadily rising. While the symptoms of Type 2 diabetes are similar to those of Type 1, they take longer to manifest, which delays diagnosis.
The first recorded mention of diabetes dates to 1552 BCE, when Hesy-Ra, an Egyptian physician, described the condition as excessive passing of urine. The word insulin was introduced in 1922 during a paper presented at the annual meeting of the Association of American Physicians, which subsequently led to mass production of insulin by the University of Toronto and Eli Lilly & Company in Indianapolis, with commercial availability beginning in 1923. Other advances in diabetes control and treatment include the first pancreas transplant in 1966, the introduction of Humulin in 1982, islet transplantation in 1999, and the designation of November 14th as World Diabetes Day by the United Nations (Canadian Diabetes Association, 2019).
The incidence of diabetes more than tripled over the last three decades, with new cases doubling annually. The CDC estimates that 30.3 million Americans have diabetes, equivalent to 9.4% of the American population. Of these, 23.1 million have already been diagnosed, while 7.2 million remain undiagnosed. In 2015, new diabetes diagnoses amounted to approximately 1.5 million among adults and 193,000 among children. The CDC estimates that 5% of those affected have Type 1 diabetes, while the remaining 95% have Type 2 diabetes (CDC, 2017).
Diabetes is prevalent across social, economic, and ethnic groups. The frequency of diabetes is highest among Alaska Natives and American Indians at 15.1%, and lowest among Non-Hispanic Whites at 7.4%. The frequency among Asian Americans, Hispanics, and Non-Hispanic Black Americans stands at 8%, 12.1%, and 12.7%, respectively (CDC, 2017).
Several factors are associated with an increased risk of developing diabetes, including smoking, obesity, physical inactivity, high blood pressure, hyperglycemia, and hyperlipidemia. The CDC (2017) report identified that 15.9% of adult patients had a history of smoking, while 87.5% of reported adult diabetes cases involved patients who were either overweight or obese. Additionally, 73.6% of adult diabetic patients had elevated systolic blood pressure, and 40.8% reported physical inactivity. Furthermore, 58.2% of adult diabetic patients had hyperlipidemia, while hyperglycemia was reported in 15.6% of diabetic patients.
"Financial burden on individuals, society, workforce"
"Pancreatic function and genetic causes explained"
"A1C testing, management, and long-term outcomes"
It is irrefutable that the increasing prevalence of diabetes worldwide presents a global health challenge. The rising incidence poses a significant policy challenge, demanding greater resources allocated for research, control, and treatment of the disease. The statistics also reflect a deteriorating lifestyle characterized by low physical activity and high cholesterol consumption — trends that must be reversed in order to curb the global growth of diabetes.
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