Diabetes Mellitus: Types, Prevention, and Blood Sugar Control
Diabetes mellitus is among the most widespread diseases. According to statistical data from the World Health Organization, every 8th to 10th person on the planet is affected, which means millions of people worldwide.
This chronic disease is considered one of the most serious. It is associated with disturbances in metabolic processes in the body, particularly those involving glucose, which is the body’s main source of energy. When blood sugar levels in diabetes go beyond the normal range, this affects the functioning of the heart, blood vessels, kidneys, eyes, and nervous system. That is why it is important to understand clearly that diabetes is not just another medical diagnosis, but a serious condition requiring constant attention and a specific approach to lifestyle.
Types of Diabetes
When speaking about diabetes, we do not mean a single separate disease, but rather an entire group of conditions united by one common feature: chronically elevated blood glucose levels. Each type has its own characteristics and causes, and the therapeutic methods and preventive measures used depend on which type is present.
The main types of diabetes are:
- Type 1 diabetes. This is an autoimmune disease. In this condition, the cells of the pancreas completely lose the ability to produce insulin. In such cases, the patient requires administration of insulin throughout life.
- Type 2 diabetes. This form is the most common. It develops when the body’s tissues become less sensitive to insulin or when the pancreas produces it in insufficient amounts. This condition is observed most often in adults.
- Gestational diabetes. This is a specific form that develops during pregnancy and requires special monitoring. It is caused by hormonal changes taking place in the body of the expectant mother. After childbirth, the situation usually improves, but there remains a risk of developing type 2 diabetes in the future.
There are also specific forms, the so-called monogenic and secondary types of diabetes, which are associated with genetic mutations or other diseases, but these are diagnosed very rarely.
Key Differences Between the Most Common Forms of Diabetes Mellitus
The main forms are type 1 and type 2 diabetes, and there are fundamental differences between them that are important when determining treatment strategy and prognosis. Type 1 diabetes is more often found in children and young people, develops rapidly, and requires immediate insulin therapy. Type 2 diabetes, by contrast, develops gradually, often remains unnoticed in its early stages, and is closely associated with lifestyle factors.
The key differences are as follows:
- in type 1 diabetes, the body completely loses the ability to produce insulin;
- in type 2 diabetes, insulin is present, but the tissues do not respond to it properly;
- type 1 diabetes develops rapidly, whereas type 2 diabetes develops gradually;
- treatment of type 1 diabetes always includes insulin, whereas in type 2 diabetes it may be possible, particularly in the early stages, to use dietary correction and medication without insulin.
Preventive Measures
Diabetes prevention includes a whole set of measures aimed at reducing the risk of developing the disease, especially type 2 diabetes. As noted above, type 2 diabetes is closely linked to lifestyle: excess weight, low physical activity, poor nutrition, and stress create conditions for disturbances in glucose metabolism. That is why prevention is not a one-time effort, but an ongoing form of health care.
Effective preventive measures include:
- maintaining a healthy body weight;
- regular physical activity;
- a balanced diet with limited simple carbohydrates;
- giving up harmful habits;
- regular medical check-ups and continuous monitoring of blood glucose levels.
Specialised Prevention in the Czech Republic
Statistical data have shown an alarming picture: as many as 62% of Czech adults are overweight or obese, according to SZÚ data from 2025. This has led to the need for action at the state level. One of the first steps was the launch of the national campaign “Zdravější Česko”, which includes:
- reducing sugar content in food products;
- a tax on sugary drinks;
- physical activity programmes in schools.
For patients who are overweight, GLP-1 agonists such as semaglutide are being prescribed more often, but at present their cost is covered only in cases of severe obesity.
Blood Glucose Monitoring
Monitoring blood sugar levels is the foundation of successful diabetes treatment. Patients should understand that measuring glucose is not a medical formality, but a real way to prevent complications and adjust treatment in time. Modern technologies make it possible to track these values in real time, making life with diabetes safer and more predictable.
Monitoring methods include:
- use of a glucometer;
- continuous glucose monitoring sensors;
- laboratory tests, including glycated haemoglobin;
- keeping a diary of nutrition, sugar intake, and blood glucose levels;
- regular consultations with a doctor.
Possible Complications of the Disease
Diabetes is dangerous not only because of elevated blood sugar itself, but also because of complications that develop when the condition is not properly controlled. These complications may affect different organs and body systems, reducing quality of life and increasing the risk of disability. That is why doctors strongly recommend regular check-ups and careful adherence to treatment.
Among the well-established complications are:
- damage to blood vessels, known as angiopathy;
- diabetic retinopathy, affecting vision;
- kidney damage;
- an increased risk of cardiovascular disease.
Treatment Strategies
Treatment of both type 1 and type 2 diabetes is now based on a comprehensive approach. Modern technologies make it possible to individualise care, while new medicines allow more effective control of the condition. Comprehensive diabetes management programmes include:
- insulin therapy, in type 1 diabetes;
- glucose-lowering medicines, in type 2 diabetes;
- diet and physical activity programmes;
- the use of modern monitoring technologies;
- teaching patients self-management skills.
The Patient’s Role in Treatment
The patient is the main participant in the treatment process. It is the patient’s discipline and responsibility that determine treatment success. A doctor can prescribe medicines and give recommendations, but daily blood sugar monitoring, adherence to diet, and physical activity depend directly on the person with diabetes. A conscious and informed attitude towards the disease helps avoid complications and preserve a good quality of life.
The patient is expected to maintain:
- strict discipline in taking medication;
- careful adherence to a dietary regimen;
- regular physical exercise;
- control of associated factors such as blood pressure and cholesterol;
- psychological resilience.
Support for People with Diabetes in the Czech Republic at Dobro Clinic
Diabetes is a condition that cannot be effectively controlled alone. Only a comprehensive approach and specialist supervision make it possible to achieve stable results. At Dobro Clinic in Prague, every patient receives not only treatment, but also support.
Our medical centre offers:
- qualified consultations with multilingual specialists and endocrinologists;
- accurate diagnostics and personalised treatment programmes developed in accordance with international standards of safety and effectiveness;
- education on how to monitor blood glucose properly;
- support from a personal medical assistant and full care coordination.
You can book a consultation online at a time that suits you. The presence of a children’s room in the clinic makes the visit comfortable for mothers and young children.
