Even though this question might seem really sensitive there are numerous reasons why severe obesity is considered a disease.
Severe obesity, also called morbid obesity (Body Mass Index / BMI 30+) is considered a disease because it is a complex medical condition that affects multiple systems in the body and leads to various health problems. Here are key reasons why it is classified as a disease:
- Severe Obesity is a Chronic Condition. Severe obesity is a long-term chronic condition that typically requires ongoing management and treatment. It does not resolve on its own and most often without intervention over time and ageing worsens.
- Metabolic and Hormonal Disregulation. Obesity causes imbalances in hormones like insulin, leptin, and ghrelin, leading to problems with appetite control, energy use, and fat storage. These metabolic changes make it harder for individuals to lose weight without medical intervention and lead to various complications.
- Associated Health Risks. Severe obesity significantly increases the risk of other chronic diseases, so called “co-morbidities”, including type 2 diabetes, coronary and heart disease, hypertension, sleep apnea, PCOS, miscarriage, certain cancers, back and joint problems and. other. These conditions are often life-threatening and impact overall quality of life.
- Genetic, Environmental, and Behavioural Factors. Obesity is influenced by a combination of genetic predisposition, environmental factors, behavioural choices, psychological and mental health, specific physiological factors, other diseases and medications. This complexity makes it similar to other diseases that involve multiple contributing factors.
- Impact on Mental Health. Obesity is often linked to mental health conditions such as depression and anxiety, further complicating the individual’s ability to manage the condition on their own.
- Affected Social and Work Life. People with severe obesity often avoid socialising, and this can impact their family and social life, hobbies and even their professional lives. Unfortunately also studies show that possibility to be employed in a certain job position is also lower for individuals suffering from obesity compared to those who are not.
SEVERE OBESITY IS CLASSIFIED AS A DISEASE BY SEVERAL LEADING HEALTH ORGANISATIONS, INCLUDING:
- American Medical Association (AMA). In 2013, the AMA officially recognised obesity as a disease, acknowledging its complex causes and the significant impact it has on health.
- World Health Organisation (WHO). The WHO classifies obesity as a global health issue and a chronic disease, due to its role in increasing the risk of many other diseases like heart disease, diabetes, and cancer.
- Centers for Disease Control and Prevention (CDC). The CDC also treats obesity as a serious chronic disease that requires medical attention and intervention.
- National Institutes of Health (NIH). The NIH classifies severe obesity as a disease that leads to significant health risks and complications, requiring various treatment approaches.
Here is why severe obesity is considered a disease – these organisations recognise severe obesity as a disease because it involves abnormal or excessive fat accumulation that impairs health and requires medical management.
Classifying severe obesity as a disease underscores the need for medical treatment, including lifestyle changes, medication, and sometimes even surgery, to manage it effectively. This classification also helps reduce the stigma, emphasising that obesity is not solely a matter of willpower but a medical condition requiring care and support.
In order to measure your Body Mass Index go to our BMI Calculator!
Conclusion. The Most Effective Medical Treatments for Severe Obesity Today
Because severe obesity is a chronic, progressive disease, willpower alone is rarely enough to create lasting weight loss. Modern medical research — including guidelines from the NIH, WHO, CDC, ASMBS, and EASO — confirms that the most effective treatments today are those that address both the biology and the behaviour behind weight gain.
🔹 1. Bariatric (Metabolic) Surgery – The Most Effective Long-Term Treatment
Procedures such as gastric sleeve and gastric bypass remain the gold standard for treating severe obesity.
They consistently show:
- 60–80% long-term excess weight loss
- High remission rates for type 2 diabetes, hypertension, sleep apnoea, PCOS
- Significant long-term improvement in quality of life and life expectancy
Unlike diets or injections, bariatric surgery physically restricts ability of eating large amounts of food, changes hunger-satiety hormonal balance, improves metabolism, and provides a lasting tool to maintain a healthy weight.
🔹 2. Anti-Obesity Medications (Injections & Tablets)
Modern medications like GLP-1 agonists (e.g., semaglutide, tirzepatide) can help reduce appetite and support weight loss, particularly in early or moderate obesity.
However, they typically require long-term use, may have side effects, and weight is often regained when stopped.
They can be valuable tools, they work best under medical supervision and together with a lifestyle guidance.
🔹 3. Lifestyle, Nutrition & Behavioural Support
No medical treatment works alone.
Patients benefit most when surgery or medication is combined with:
- personalised nutrition
- emotional and behavioural support
- physical activity
- long-term follow-up from a bariatric team
This approach helps prevent weight regain and empowers people to build new, sustainable habits.
A Modern Understanding of Obesity — And Real Hope for Change
Knowing why severe obesity is considered a disease it is easier to address a proper treatment. Today we think about obesity as a recognised medical condition, not a personal failure.
The good news is that it is treatable — and people now have more effective tools than ever before.
For many, bariatric surgery remains the most powerful, long-term, and life-changing treatment, while others may benefit from medical therapy or a combined approach.
Whichever path a person chooses, the most important step is receiving professional, responsible, evidence-based care.
If you are looking for an affordable and high quality bariatric surgery in Latvia, Europe, please do not hesitate to contact us! 💚
