Which diabetes is hereditary?

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Diabetes is considered one of the most common leading causes of disease, disability and death worldwide. According to estimates of the International Diabetes Federation (IDF) affects approximately 537 million people worldwide.

Diabetes

What exactly is diabetes and what causes it? Is diabetes hereditary? Of the different types of diabetes that exist, which diabetes is hereditary? Let's start by the beginning.

What is diabetes?

Diabetes is a chronic disease that affects the way the body regulates the level of sugar (glucose) in the blood. Glucose is an important source of energy for the body, and its proper level is crucial for the normal functioning of tissues and organs.

Diabetes occurs when the body doesn't make enough insulin (a hormone produced by the pancreas) or when it can't use it effectively. Insulin is necessary for glucose to enter into the cells and be used as energy. When there is a lack of insulin or its action is inadequate, glucose builds up in the blood, leading to elevated blood sugar levels, known as hyperglycemia.

Diabetes can have long-term complications if it is not properly controlled. These can include heart disease, stroke, kidney problems, nerve damage, eye problems, and foot problems. Diabetes management involves maintaining adequate blood sugar through a combination of medications, healthy eating, physical activity, and regular monitoring of glucose levels.

Types of diabetes

Depending on cause and pathophysiological mechanisms that characterize diabetes can be classified into different types. In this section you can learn about the most important characteristics of each of them. If you would like to learn more about how glucose is regulated in metabolic terms, you can do so in our article "types of diabetes".

Type 1 diabetes

In this type of diabetes, the body's immune system attacks and destroys insulin-producing cells in the pancreas (autoimmune disease). As a result, the body produces little or no insulin. Type 1 diabetes is usually diagnosed in childhood or adolescence, and people with this disease require daily insulin injections to survive.

Type 1 diabetes - autoimmune disease

Type 2 diabetes

It is the most common type of diabetes. In type 2 diabetes, the body does not use insulin efficiently. It is often associated with overweight, obesity and lack of physical activity. It has been shown that a good diet and a healthy lifestyle can control this pathology. However, sometimes it is necessary to resort to oral medications or insulin injections.

Gestational diabetes

It occurs during pregnancy and usually goes away after the birth of the baby. However, women who have had gestational diabetes have a higher risk of developing type 2 diabetes in the future.

Which diabetes is hereditary?

The three types of diabetes mentioned above have a genetic predisposition (heritability), which means that there is a hereditary influence on the development of the disease. Within the different types of diabetes, type 2 diabetes has a higher percentage of heritability (40-70%), followed by type 1 diabetes (50%). In third place, gestational diabetes is placed although there is no clearly established percentage.

However, it is important to note that genetics is not the only factor that determines whether or not a person will develop diabetes.

In the case of type 1 diabetes, there is a genetic predisposition, but interaction with environmental triggers is also required for the disease to develop such as infection from some viruses that triggers the autoimmune response.

When we talk about type 2 diabetes, there is also a genetic influence, but the development of the disease is strongly related to environmental factors such as diet and lifestyle.

Environmental factors influencing the development of type 2 diabetes.

Discover with the genetic test from ADNTRO your genetic predisposition to type 1 diabetes and type 2 diabetes. It's very simple! And if you've already genotyped with another company, remember that you can upload your RAW DNA data for free.

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