Diabetes

What Is Diabetes?

Diabetes is a long-term condition in which the level of glucose, or sugar, in the blood becomes too high. Glucose provides the body with energy, while insulin helps it move from the blood into the cells. In diabetes, the body does not make enough insulin, cannot use it effectively or both.

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What Causes Diabetes?

The cause depends on the type of diabetes. Type 1 occurs when the immune system attacks the cells that produce insulin. Type 2 develops when the body becomes resistant to insulin and gradually struggles to produce enough. Gestational diabetes is linked to hormonal changes during pregnancy. Diabetes is not simply caused by eating too much sugar.

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Why Glucose Levels Can Change

Glucose levels can be affected by food, physical activity, medicines, stress, sleep, illness, hormones and alcohol. The same food or activity may not always produce the same result, which can make diabetes feel unpredictable.

Tracking glucose alongside meals, activity, medicines and symptoms can help identify personal patterns without treating every unexpected reading as a failure.

Types of Diabetes

Type 1 diabetes is an autoimmune condition in which the body produces little or no insulin. People with type 1 need insulin every day.

Type 2 diabetes occurs when the body does not use insulin effectively or produce enough of it. It is the most common type and can develop at any age.

Gestational diabetes develops during pregnancy and usually improves after delivery, although it increases the future risk of type 2 diabetes.

Less common forms include monogenic diabetes, diabetes caused by pancreatic conditions and diabetes linked to certain medicines or hormonal disorders.

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What Is Prediabetes?

Prediabetes means blood glucose is higher than expected but not yet within the diabetes range. It increases the likelihood of developing type 2 diabetes, although lifestyle changes and appropriate medical support can help prevent or delay its progression.

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How Is Diabetes Treated?

Treatment depends on the type of diabetes, glucose patterns, other health conditions and personal needs. It may include insulin, tablets, other injected medicines, nutrition support, physical activity and glucose monitoring.

Everyone with type 1 diabetes needs insulin. Some people with type 2 or gestational diabetes may also need insulin, while others manage their glucose with different medicines or lifestyle support. Treatment may change over time.

Living With Diabetes

Living with diabetes often involves making repeated decisions about food, activity, medicines and glucose levels. There is no single eating or exercise plan that works for everyone.

Regular appointments, taking medicines as agreed and keeping track of glucose patterns can make everyday management easier. Diabetes technology, such as continuous glucose monitors and insulin pumps, may also help some people.