Diabetes is a disorder of metabolism, the way the body uses digested food for growth and energy. In diabetes, the pancreas either produces little or no insulin, or the body cells do not respond to the insulin that is produced, and as a result, glucose cannot enter the body's cells.
Find answers in our in-depth reports on diabetes:

Just as precancer may be detected and removed before turning into cancer, discovery of diabetes in its earliest stages can help prevent the development of full-blown diabetes. That, in a nutshell, is the idea behind the term “prediabetes.”
What does it really mean to have prediabetes?
Given that diabetes is costly, hard to treat, and approaching epidemic levels, it’s not surprising that interest in prediabetes is growing. The majority of people with prediabetes don’t know they have it.
Diabetes and cardiovascular disease: what’s the link?
Cardiovascular disease is the leading complication and cause of premature death among people with diabetes. Unfortunately, many people with diabetes do not understand the risk of cardiovascular disease or what they can do to help prevent it.
Managing diabetes does not just mean keeping your blood sugar levels in an acceptable range. It also means taking steps toward preventing health complications that can occur with diabetes.
Reducing your risk of heart disease when you have diabetes
Until recently, controlling blood glucose was considered the single most important step in treating diabetes. However, new studies indicate that, because diabetes can cause damage to the heart and blood vessels, controlling cardiovascular disease risk factors is equally important.
Taking care of your diabetes when you are sickBeing sick can put all of your activities on hold. You’re forced to stop and take care of yourself. But, if you have diabetes, this demands extra attention.
Diabetes and alcohol: caution when mixingWhat are the effects of alcohol on your body if you have diabetes?
When your days are filled with school or work, how can you put your health first and live your life?
Taking care of your diabetes when you are away from homeYou have a routine in place to manage diabetes when you’re at home and work. But what about holidays and vacations?
Diabetes: findings from alternative medicine
A look at new therapies emerging from alternative and complementary medicine.
Erectile dysfunction: a concern for men with diabetes
For roughly half of all men with diabetes, impotence is a painful fact of daily life. The cause: diabetic neuropathy, a nerve disorder that can disrupt the neural pathways responsible for creating and sustaining an erection.
Islet-cell transplants: the end of insulin shots?
For years, daily insulin injections have been the primary treatment for millions of people with diabetes. Research into a new therapy may provide a breakthrough in diabetes care.
American Diabetes Association
Juvenile Diabetes Foundation International
National Institute of Diabetes and Digestive & Kidney Diseases