Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disease characterized by elevated levels of blood glucose (blood sugar) due to the body’s inability to produce enough insulin or effectively use the insulin it produces. Insulin is a hormone produced by the pancreas that helps regulate blood sugar and allows glucose to enter cells for energy.

There are two main types of diabetes mellitus: Type 1 diabetes, in which the body produces little or no insulin, and Type 2 diabetes, which occurs when the body becomes resistant to insulin or does not produce enough of it. Type 2 diabetes is the most common form and is often associated with lifestyle and metabolic factors.

If not properly managed, diabetes can affect multiple organs and systems in the body over time. However, with proper treatment, lifestyle changes, and regular monitoring, individuals with diabetes can maintain a good quality of life and reduce the risk of complications.

Diabetes mellitus develops due to problems with insulin production or insulin function in the body. The underlying cause depends on the type of diabetes.

Common causes include:

• Autoimmune destruction of insulin-producing beta cells (Type 1 diabetes)

• Insulin resistance, where body cells do not respond properly to insulin (Type 2 diabetes)

• Genetic predisposition or family history of diabetes

• Pancreatic disorders affecting insulin production

• Obesity and excess body fat

• Unhealthy diet high in sugar and processed foods

• Physical inactivity

• Hormonal imbalances or endocrine disorders

• Certain medications that affect glucose metabolism

In Type 2 diabetes, lifestyle and environmental factors play a major role in the development and progression of the disease.

Several factors can increase the risk of developing diabetes mellitus. Some are non-modifiable, while others are related to lifestyle choices and health conditions.

Major risk factors include:

• Family history of diabetes

• Overweight or obesity

• Physical inactivity

• Unhealthy diet high in sugar and refined carbohydrates

• Increasing age (especially over 40 for Type 2 diabetes)

• High blood pressure

• High cholesterol levels

• History of gestational diabetes during pregnancy

• Polycystic ovary syndrome (PCOS)

• Smoking

• Prediabetes or impaired glucose tolerance

Individuals with multiple risk factors are more likely to develop diabetes and should undergo regular blood sugar screening.

If diabetes mellitus is not properly controlled, prolonged high blood sugar levels can damage blood vessels and organs throughout the body, leading to serious complications.

Possible complications include:

• Cardiovascular diseases such as heart attack and stroke

• Kidney damage (diabetic nephropathy) leading to kidney failure

• Nerve damage (diabetic neuropathy), causing pain, numbness, or tingling

• Eye damage (diabetic retinopathy) that may lead to vision loss

• Foot problems, including infections and ulcers that may lead to amputation

• Slow wound healing and frequent infections

• Skin conditions and increased susceptibility to infections

• Hearing impairment

• Cognitive decline and increased risk of dementia

• Diabetic ketoacidosis (mainly in Type 1 diabetes), a life-threatening condition

Proper blood sugar control, healthy lifestyle habits, and regular medical monitoring are essential to prevent or delay these complications and support long-term health in individuals with diabetes mellitus.