Diabetes (Type 1 and Type 2)
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
- Diabetes type 1 and type 2 definition and facts
- What is diabetes?
- How many people in the US have diabetes?
- 9 early signs and symptoms of diabetes
- How do I know if I have diabetes?
- What causes diabetes?
- What are the risk factors for diabetes?
- What are the different types of diabetes?
- What is type 1 diabetes
- What is type 2 diabetes
- What are the other types of diabetes?
- What kind of doctor treats diabetes?
- How is diabetes diagnosed?
- Why is blood sugar checked at home?
- What are the acute complications of diabetes?
- What are the chronic complications of diabetes?
- What can be done to slow the complications of diabetes?
- What is the prognosis for a person with diabetes?
- Type 2 Diabetes Warning Signs
- Dieting for Diabetes
- Take the Diabetes Quiz!
- Diabetes FAQs
- Find a local Endocrinologist in your town
Diabetes type 1 and type 2 definition and facts
- Diabetes is a chronic condition associated with abnormally high levels of sugar (glucose) in the blood. Insulin produced by the pancreas lowers blood glucose. Absence or insufficient production of insulin, or an inability of the body to properly use insulin causes diabetes.
- The two types of diabetes are referred to as type 1 and type 2. Former names for these conditions were insulin-dependent and non-insulin-dependent diabetes, or juvenile onset and adult onset diabetes.
- Symptoms of type 1 and type 2 diabetes include
- increased urine output,
- excessive thirst,
- weight loss,
- skin problems
- slow healing wounds,
- yeast infections, and
- tingling or numbness in the feet or toes.
- Some of the risk factors for getting diabetes include being overweight or obese, leading a sedentary lifestyle, a family history of diabetes, hypertension (high blood pressure), and low levels of the "good" cholesterol (HDL) and elevated levels of triglycerides in the blood.
- If you think you may have prediabetes or diabetes contact a health-care professional.
What is diabetes?
Diabetes mellitus is a group of metabolic diseases characterized by high blood sugar (glucose) levels that result from defects in insulin secretion, or its action, or both. Diabetes mellitus, commonly referred to as diabetes (as it will be in this article) was first identified as a disease associated with "sweet urine," and excessive muscle loss in the ancient world. Elevated levels of blood glucose (hyperglycemia) lead to spillage of glucose into the urine, hence the term sweet urine.
Normally, blood glucose levels are tightly controlled by insulin, a hormone produced by the pancreas. Insulin lowers the blood glucose level. When the blood glucose elevates (for example, after eating food), insulin is released from the pancreas to normalize the glucose level by promoting the uptake of glucose into body cells. In patients with diabetes, the absence of insufficient production of or lack of response to insulin causes hyperglycemia. Diabetes is a chronic medical condition, meaning that although it can be controlled, it lasts a lifetime.
How many people in the US have diabetes?
- Diabetes affects approximately 29.1 million people (9.3% of the population) in the United States, while another 86 million people have prediabetes and don't know it.
- An estimated 8.1 million people in the United States have diabetes and don't even know it.
- Over time, diabetes can lead to blindness, kidney failure, and nerve damage. These types of damage are the result of damage to small vessels, referred to as microvascular disease.
- Diabetes also is an important factor in accelerating the hardening and narrowing of the arteries (atherosclerosis), leading to strokes, coronary heart disease, and other large blood vessel diseases. This is referred to as macrovascular disease.
- From an economic perspective, the total annual cost of diabetes in 2012 was estimated to be 245 billion dollars in the United States. This included 116 billion in direct medical costs (healthcare costs) for people with diabetes and another 69 billion in other costs due to disability, premature death, or work loss.
- Medical expenses for people with diabetes are over two times higher than those for people who do not have diabetes. Remember, these numbers reflect only the population in the United States. Globally, the statistics are staggering.
- Diabetes is the 7th leading cause of death in the United States listed on death certificates in recent years.
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