Diabetes: Understanding The Type 2 Majority

how much of diabetes is constituted by type 2 diabetes

Diabetes is a chronic metabolic disorder characterised by persistent hyperglycemia, which can lead to serious damage to the body's organs and blood vessels. Type 2 diabetes constitutes the majority of diabetes cases, affecting over 90% of people with diabetes. It is caused by the body's inability to use insulin properly, leading to high blood sugar levels. This form of diabetes is often preventable through lifestyle changes such as maintaining a healthy weight, regular physical activity, and a nutritious diet.

Characteristics Values
Percentage of all diabetes cases constituted by type 2 diabetes 90% to 95%
Number of people with diabetes 38 million (US), 415 million (globally), 589 million (globally)
Percentage of adults with diabetes 10.3% (US, 2001-2004), 13.2% (US, 2017-2020), 29.2% (US, over 65s)
Risk factors Family history, age (over 45), overweight/obesity, physical inactivity, genetics, ethnicity, high blood pressure/cholesterol
Preventative measures Healthy diet, weight loss, regular exercise, medication, regular screening
Symptoms Mild, often unnoticed for years, similar to type 1
Treatments Lifestyle changes, medication, insulin, blood sugar monitoring

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Type 2 diabetes constitutes over 90% of all diabetes cases

In type 2 diabetes, the body's cells do not respond normally to insulin. Initially, the pancreas produces more insulin to compensate, but over time, it cannot keep up, resulting in high blood sugar levels. This can cause serious damage to the body, particularly the nerves and blood vessels. Type 2 diabetes can lead to various health problems, including heart disease, kidney disease, vision loss, and an increased risk of cardiovascular diseases and stroke.

The risk factors for developing type 2 diabetes include being overweight or obese, physical inactivity, genetics, age (being older than 45), high blood pressure, high cholesterol, and gestational diabetes during pregnancy. It is important to note that type 2 diabetes is often preventable, and early diagnosis is crucial to prevent the worst effects of the disease. Lifestyle changes, such as weight loss, healthy diet, and regular physical activity, can help prevent or delay the onset of type 2 diabetes.

Managing type 2 diabetes involves a combination of lifestyle modifications, medications, and regular medical check-ups. Maintaining a healthy diet, staying active, and managing stress are essential components of managing the condition. Additionally, oral diabetes medications, GLP-1 agonists, and insulin injections may be prescribed to help control blood sugar levels and prevent complications.

Type 2 diabetes is a significant global health burden, with approximately 415 million adults aged 20 to 79 living with the disease in 2015. This number is expected to rise, highlighting the importance of prevention, early detection, and proper care to reduce the impact of type 2 diabetes on individuals and healthcare systems worldwide.

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It is caused by the body's inability to use insulin properly

Type 2 diabetes constitutes over 90% of all diabetes cases. It is a chronic metabolic disorder characterised by persistently high blood sugar levels (hyperglycaemia). It is caused by the body's inability to use insulin properly, a condition known as insulin resistance. Insulin is a hormone produced by the pancreas that acts as a key to allow blood sugar into cells to be used as energy.

In a person with type 2 diabetes, cells do not respond normally to insulin. As a result, the pancreas produces more insulin to try to get the cells to respond. Over time, the pancreas cannot keep up, leading to a rise in blood sugar levels. This sets the stage for prediabetes and type 2 diabetes.

High blood sugar levels can cause serious damage to the body, particularly the nerves and blood vessels. Type 2 diabetes can lead to various health problems, including heart disease, kidney disease, stroke, vision loss, and an increased risk of cardiovascular disease. It can also cause complications during pregnancy and delivery for women with gestational diabetes.

The risk factors for developing type 2 diabetes include being overweight or obese, physical inactivity, genetics, age (over 45), high blood pressure, and high cholesterol. It is often preventable through lifestyle changes such as weight loss, healthy diet, and regular physical activity. Early diagnosis is crucial to prevent the worst effects of the disease. Treatment options include medication, healthy eating, and physical activity.

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It can be prevented or delayed with lifestyle changes

Type 2 diabetes constitutes more than 90% to 95% of all diabetes cases. It is a chronic condition that affects how the body uses glucose (sugar) for energy, preventing insulin from functioning properly and leading to elevated blood sugar levels. This can cause severe complications such as heart disease, vision loss, and kidney disease if left untreated. Fortunately, type 2 diabetes is often preventable or can be delayed with early diagnosis and proactive lifestyle changes.

Lifestyle changes can play a crucial role in preventing or delaying the onset of type 2 diabetes. Here are some key strategies to consider:

Achieve and Maintain a Healthy Weight

Losing excess weight can significantly reduce the risk of developing type 2 diabetes. This is especially important for those who are overweight or obese, as excess body weight can contribute to insulin resistance and elevated blood sugar levels. Even a small amount of weight loss can make a difference. Maintaining a healthy weight can help regulate blood sugar levels and improve overall health.

Adopt a Healthy Diet

Making healthy dietary choices is essential for preventing type 2 diabetes. Focus on consuming non-starchy vegetables like broccoli and mushrooms, whole fruits, oatmeal, and whole grain bread and pasta. These high-fibre foods can help mitigate spikes in blood sugar levels. Additionally, include lean proteins, such as fish, and healthy fats found in olive oil, avocado, nuts, and seeds, as these foods have a minimal impact on blood sugar. Managing overall carbohydrate intake and choosing complex carbohydrates over refined carbs can also help prevent blood sugar spikes. Avoid sugary drinks, candy, white bread, and other highly processed foods that contribute to unstable blood sugar levels.

Increase Physical Activity

Engaging in regular physical activity is a powerful way to prevent or delay type 2 diabetes. Increasing your activity levels helps your body use insulin more effectively and can lower blood sugar levels. Aim for at least 150 minutes of moderate-intensity exercise, such as brisk walking or swimming, each week. If you're starting from a sedentary lifestyle, begin with small, achievable goals like standing up and moving around for a few minutes every half hour. Gradually increase your activity levels to improve your overall fitness and reduce your risk of diabetes.

Reduce Sedentary Behaviour

In addition to engaging in regular exercise, it's important to reduce sedentary behaviour. Prolonged sitting can increase your risk of developing type 2 diabetes. Break up long periods of sitting by standing and moving around. Consider setting reminders to walk around or stretch every hour. If you work at a desk, consider a standing desk or take short, active breaks throughout your day.

Manage Stress and Get Adequate Sleep

Stress and inadequate sleep can negatively impact your health and make it harder to manage diabetes. Regular physical activity, getting enough sleep, and incorporating relaxation techniques, such as deep breathing or meditation, can help reduce stress levels and improve overall health.

Join a Diabetes Prevention Program

Consider joining a recognised diabetes prevention program, such as the National Diabetes Prevention Program (National DPP) in the US. These programs provide support and guidance on making sustainable lifestyle changes to prevent or delay type 2 diabetes. They often include working with trained lifestyle coaches who can help you set achievable goals and make lasting changes to your diet and activity levels.

It's important to note that while lifestyle changes are powerful, some risk factors for type 2 diabetes, such as genetics and age, cannot be changed. However, by adopting these lifestyle modifications, you can significantly reduce your risk of developing type 2 diabetes and improve your overall health and well-being.

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It is often diagnosed through blood tests

Type 2 diabetes constitutes more than 90% of all diabetes cases. It is a chronic disease that occurs when the body cannot effectively use the insulin it produces, resulting in high blood sugar levels. This condition often develops gradually, and symptoms can be mild, taking several years to be noticed. However, early diagnosis is crucial to prevent the worst effects and potential complications.

Diagnosis through Blood Tests

Type 2 diabetes is often diagnosed through blood tests that measure blood sugar levels. These tests are typically performed during annual physical exams or more frequently for individuals with prediabetes or risk factors. Blood tests can include:

  • Fasting blood sugar test: This test measures your blood sugar level after fasting for a certain period, usually 8 to 16 hours. A level of 100 to 125 milligrams per deciliter indicates prediabetes, while a level of 126 milligrams per deciliter or higher on two separate tests confirms diabetes.
  • Hemoglobin A1C test: This test measures your average blood sugar level over two to three months by detecting the percentage of glycated hemoglobin. If 5.7% of hemoglobin is coated with sugar, it indicates prediabetes, while 6.5% or more suggests type 2 diabetes.
  • Oral glucose tolerance test: This involves fasting overnight, then measuring blood sugar levels after consuming glucose.
  • Laboratory blood glucose test: This test is recommended for those at risk of developing type 2 diabetes. It is more accurate than home blood glucose meters and does not require fasting.

These blood tests are crucial for early detection, allowing individuals to make necessary lifestyle changes and seek appropriate medical advice to manage their blood sugar levels and prevent serious health complications associated with uncontrolled diabetes.

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It can lead to serious health complications if untreated

Type 2 diabetes constitutes a significant proportion of all diabetes cases, with around 90% of people with diabetes having type 2. This makes it a pressing global health concern, with over 462 million individuals affected as of 2017, and a projected increase to 7079 cases per 100,000 people by 2030. Type 2 diabetes is influenced by socio-economic, demographic, environmental, and genetic factors, and its prevalence varies across different regions and populations.

Leaving type 2 diabetes untreated or poorly managed can have severe health consequences. The condition is characterised by persistently high blood sugar levels, which, over time, can damage multiple organ systems in the body. This is because blood comes into contact with almost every part of the body. Here are some of the serious health complications that can arise from untreated type 2 diabetes:

Cardiovascular and Cerebrovascular Complications

Untreated type 2 diabetes can lead to coronary artery disease, peripheral artery disease, and cerebrovascular disease. These conditions can increase the risk of heart attacks and strokes, which can be life-threatening.

Diabetic Retinopathy and Macular Edema

Diabetic retinopathy is a common complication of diabetes, causing deterioration of vision due to damage to the vessels in the eye. It is a leading cause of blindness, especially in Western countries. Diabetic macular edema is another condition that can affect the eyes, further compromising vision.

Diabetic Nephropathy

Diabetes can also affect the kidneys, leading to nephropathy and potentially resulting in renal insufficiency. Kidney damage can have severe consequences for overall health and may require medical intervention in severe cases.

Diabetic Neuropathy

Diabetic neuropathy is nerve damage caused by high blood sugar levels. It can lead to sensory disturbances, muscle atrophy, walking difficulties, injuries, and intense pain in the lower extremities. It can also cause tachycardia, orthostatic hypotension, urinary incontinence, indigestion, nausea, and digestive issues such as diarrhoea or constipation.

Diabetic Foot

Diabetes can cause lesions, pain, sensory disorders, skin dryness, calluses, wounds, and ulcers around the knees and below. These issues can become severely infected, leading to gangrene and, in some cases, requiring amputation of the affected areas.

Other Complications

Untreated type 2 diabetes can also lead to gum disease, hearing loss, skin infections, digestive problems (such as gastroparesis), and mental health issues such as depression and anxiety. Additionally, people with diabetes are at a higher risk of developing infections and may experience slower wound healing.

It is crucial to manage type 2 diabetes effectively through regular exercise, healthy eating, medication (if applicable), and regular check-ins with healthcare providers. Maintaining stable blood sugar levels can help prevent or delay the onset of these serious health complications.

Frequently asked questions

Type 2 diabetes is a chronic metabolic disorder characterised by persistently high blood sugar levels (hyperglycaemia). It occurs when your body can't use insulin properly, leading to insulin resistance.

Type 2 diabetes accounts for approximately 90% to 95% of all diabetes cases.

Type 2 diabetes is driven by various factors, including socio-economic status, demographics, environmental factors, and genetics. Lifestyle factors such as physical inactivity, unhealthy diet, and being overweight or obese also contribute to the development of type 2 diabetes.

Symptoms of type 2 diabetes can be mild and may take years to be noticed. They may include increased thirst, frequent urination, weight loss, blurred vision, and fatigue. A simple blood test can confirm the diagnosis.

Type 2 diabetes can be managed through lifestyle changes, such as weight loss, healthy diet, and regular physical activity. Medications, such as oral diabetes medications and insulin therapy, may also be prescribed to help manage blood sugar levels. Regular medical check-ups and blood sugar monitoring are essential to prevent or delay complications.

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