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From Kelly Close, writer for LifeWire About.com Health's Disease and Condition content is reviewed by our Medical Review Board An estimated 20 million Americans have diabetes, but according to the CDC, one-quarter to one-third don’t know it. How can so many individuals be unaware that they have diabetes? Certainly, one major factor is the absence of symptoms. This is a hallmark of both prediabetes and the early stages of type 2 diabetes. Signs and Symptoms of Diabetes Both type 1 and type 2 diabetes share such symptoms as unquenchable thirst with frequent urination, unexpected weight loss, fatigue, extreme hunger and blurred vision. Another symptom experienced by people with type 2 diabetes is increased frequency of infections and cuts, or bruises that do not heal quickly. The onset of symptoms tends to be more gradual for people with type 2 diabetes than for those with type 1. The gradual nature of prediabetes -- often a precursor of type 2 diabetes -- can disguise actual diabetic symptoms and prevent early diagnosis. Sponsored Links Symptoms of Diabetes Find out how to manage diabetes, Evaluate your symptoms today. MyDiabetesSymptoms.info Living with Diabetes The 7 Habits of Highly Effective People with Diabetes. www.bayerdiabetes.com/us Type 2 Diabetes Drug News Be Informed: Get Information To Take To Your Doctor www.MyAvandia.com As a result, it is especially important for individuals who have some diabetes risk factors to be aware of the symptoms and to watch for their appearance. The appearance of any of these symptoms is a good reason to see a health care professional. Top Warning Signs of Diabetes Risk Factors for Diabetes Diabetes, particularly type 2, has a hereditary component. If an individual with diabetes has a family member with the disease, that individual has an increased chance of developing it as well. Other major risk factors include smoking, being overweight or inactive, or having high cholesterol or high blood pressure. Age, ethnicity (of European descent for type 1, and of African, Asian, Hispanic, American Indian or Pacific Islander descent for type 2), history of gestational diabetes and prediabetes are also risk factors. Top 7 Risk Factors for Type 2 Diabetes Being overweight is one of the most striking correlates of diabetes. The National Institutes of Health (NIH) reports that about 80% of people with type 2 diabetes are overweight or obese. Fortunately, it doesn't take dramatic weight loss to reduce the risk for diabetes or to improve one’s health. If someone loses just 5% of his or her weight, it can make a significant difference in reducing the risk of diabetes. Losing any weight can also help delay or prevent diabetic complications, and make glucose control easier in type 2 diabetes. Obesity and Diabetes Taking Action When someone has any of the risk factors for diabetes, prediabetes testing is recommended. The main tests are the fasting plasma glucose test and the oral glucose tolerance test, although even a random plasma glucose test may be helpful — and it’s the easiest one to do. Both the NIH and the American Diabetes Association suggest that people with risk factors should be screened for diabetes as often as every two years. The most important thing for a person with diabetes to do is to make useful, concrete decisions on diet and exercise with the help of his or her health care team. People with diabetes should be proactive and ask their health care providers about their blood sugar levels and the risk factors associated with diabetes. Sources: "Do You Know the Risks of Being Overweight?" Weight Information Control Network. Nov. 2004. National Institute of Diabetes and Digestive and Kidney Diseases. 7 Sep. 2007. <http://win.niddk.nih.gov/publications/health_risks.htm>. "Diabetes Prevention Program." National Diabetes Informaton Clearinghouse. Aug. 2006. National Institute of Diabetes and Digestive and Kidney Diseases. 7 Sep. 2007. <http://diabetes.niddk.nih.gov/dm/pubs/preventionprogram/>. "Diabetes: Symptoms and Diagnosis." NIH Senior Health. 16 June 2005. National Institute of Diabetes and Digestive and Kidney Diseases. 7 Sep. 2007 <http://nihseniorhealth.gov/diabetes/symptomsanddiagnosis/
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