Type 2 diabetes is a chronic condition in which the body can’t effectively use or produce enough insulin. It is the most common form of diabetes. Similar to Type 1, genes are believed to play a role, but diet and exercise have proven effective in management and even prevention.
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Scientists don’t know the exact causes that trigger Type 2 diabetes, but they believe genetics, diet and exercise play an integral role in its development. Dietary changes and increased physical activity have shown to be effective tools in treating the condition.
When cells in the muscles, the liver and fat become resistant to insulin, the pancreas tries to compensate, producing more. Eventually, the overtaxed pancreas loses its ability to make insulin, leaving cells starved for energy. This can lead to prediabetes, the precursor of Type 2 diabetes, or to Type 2 diabetes itself.
Type 1 diabetes, however, may have a genetic component in some patients, and other factors such as viruses could trigger the condition. The immune system of patients with Type 1 diabetes mistakenly destroys beta cells, leaving the body with little to no insulin. Type 1 diabetes is often diagnosed in childhood.
Type 2 diabetes has multiple risk factors. These include a complex combination of family history, personal medical history and lifestyle.
The role that family history and genetics plays is not fully understood, but individuals who have had relatives with diabetes are statistically more likely to develop Type 2 diabetes. Families who are of Native American, African American, Alaska native, Asian American, Latino or Hispanic, and Pacific Islander American descent have been found to be at higher risk.
Overall personal health plays a part as well. Those with a medical history of cardiovascular disease, high blood pressure, high triglycerides, low HDL (good cholesterol) and prediabetes are at higher risk for Type 2 diabetes.
Those who have had polycystic ovary syndrome or gestational diabetes are also at increased risk. Depression, weight and sleep disorders are also significant factors. Infrequent exercise and smoking put people at high risk.
Because Type 2 diabetes leads to less insulin production, your body begins to rely on alternative sources of energy in muscles, organs and tissues. This kick-starts a chain reaction that can cause a variety of diabetes symptoms.
Signs of Type 2 diabetes develop slowly over several years — often without being noticed. As the disease progresses, symptoms can grow more apparent and, without treatment, can lead to potentially dangerous complications. These can include vision loss and blindness (diabetic retinopathy), kidney disease (nephropathy), a feeling of numbness in your hands and feet (neuropathy), gum disease and heart attack or stroke.
See your doctor immediately if you suspect you have Type 2 diabetes. Your doctor may conduct a series of tests to aid in proper diagnosis. They will likely order one or more of the following diabetes tests:
Glycated hemoglobin testing, which is a simple blood test, is the most commonly used diabetes test. It indicates your average blood sugar level over the past two to three months. An oral glucose tolerance test is a series of blood tests that begin with a fasting blood test, followed by one or more blood tests after the patient has consumed a sugary drink, to see how well the body can process glucose.
Maintaining an active lifestyle, managing weight, taking prescribed medications and diligently monitoring blood sugar levels can help people who have Type 2 diabetes treat it effectively.
Scientists also continue to explore new therapies. Many burgeoning treatment strategies focus on tackling nonalcoholic fatty liver disease, which has a close relationship with insulin resistance and Type 2 diabetes. New therapies targeting NAFLD and heart-risk factors are believed to help people with this type of diabetes.
The American Diabetes Association provides a comprehensive guide called Standards of Medical Care in Diabetes. Its recommendations focus on an array of topics, including self-management education, treatment approaches, and diagnosis of complications such as vascular issues.
It emphasizes overall health with a focus on the role immunizations, quitting smoking, nutrition and physical activity can play. There’s also a recognition of the important role psychosocial care plays in conjunction with treatment approaches, including the intensification of insulin therapy.
Researchers have found a holistic approach provided by a multidisciplinary team of health care professionals is optimal in creating an effective overall structured disease management plan for Type 2 diabetes.
The results of the United Kingdom Prospective Diabetes Study played a key role in shaping this approach. The study highlighted the importance of controlling blood sugar levels in those with Type 2 diabetes.
Children with Type 2 diabetes are at higher risk of developing health complications than adults. Because children spend much of their day in school or day care, it’s important to develop close communications with teachers and child care providers to help optimize diabetes management safely. It can also be helpful when diabetes management becomes a goal for the whole family.
The complexities of diabetes management require ongoing guidance throughout childhood and into adolescence. Academic, social and family stresses can impact kids’ self-esteem and ability to maintain diabetes management plans.
Adults living with diabetes or caring for family members with diabetes may also benefit from support from dietitians, medical professionals and mental health counselors as part of a comprehensive wellness and diabetes management plan.
There is no definitive way to prevent Type 2 diabetes, but following a medically advised plan from your health care team can reduce your risk of developing it. Steps you may be advised to take can take include:
Controlling high blood pressure and stress can also help prevent Type 2 diabetes. Yoga, Pilates, tai chi, meditation and mindfulness may help mitigate stress.
Management of Type 2 diabetes presents many challenges, and if unsuccessful can lead to a number of potentially serious complications.
These complications can be avoided with effective and proactive Type 2 diabetes management. This includes following all your health team’s instructions carefully and working closely with your doctor to monitor your health.
Managing Type 2 diabetes can be complicated and requires teamwork. Given the serious implications of the disease, early intervention is key. Speak to your doctor and develop safe prevention plans, discuss screenings and maintain constant communication if treatment is necessary.
It may also be helpful to bring your family into the loop and educate them about the warning signs of abnormal blood glucose levels. This information will ensure they can help in case of an emergency.
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Board-certified physicians medically review Drugwatch content to ensure its accuracy and quality.
Drugwatch partners with Physicians’ Review Network Inc. to enlist specialists. PRN is a nationally recognized leader in providing independent medical reviews.
Reviewer specialties include internal medicine, gastroenterology, oncology, orthopedic surgery and psychiatry.
Drugwatch.com has provided reliable, trusted information about medications, medical devices and general health since 2008. We’ve also connected thousands of people injured by drugs and medical devices with top-ranked national law firms to take action against negligent corporations.
Our team includes experienced medical writers, award-winning journalists, researchers and certified medical and legal experts. Drugwatch.com is HONCode (Health On the Net Foundation) certified. This means the high-quality information we provide comes from credible sources, such as peer-reviewed medical journals and expert interviews.
The information on Drugwatch.com has been medically and legally reviewed by more than 30 expert contributors, including doctors, pharmacists, lawyers, patient advocates and other health care professionals. Our writers are members of professional associations, including American Medical Writers Association, American Bar Association, The Alliance of Professional Health Advocates and International Society for Medical Publication Professionals.
Michelle Llamas has been writing articles and producing podcasts about drugs, medical devices and the FDA for nearly a decade. She focuses on various medical conditions, health policy, COVID-19, LGBTQ health, mental health and women’s health issues. Michelle collaborates with experts, including board-certified doctors, patients and advocates, to provide trusted health information to the public. Some of her qualifications include:
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