Obesity is a complex chronic health condition. Body weight is influenced by genetics, hormones, sleep, medicines, food environment, mental health, physical activity, socioeconomic circumstances and other factors. Reducing it to willpower can create stigma without improving health.
Health is broader than the scale
Weight can be associated with risk of type 2 diabetes, cardiovascular disease, sleep apnoea and joint problems, but individual health cannot be judged from appearance alone. Blood pressure, glucose, lipids, fitness and sleep also matter.
Approaches to treatment
Management may involve nutrition, physical activity, behavioural support, treatment of contributing medical conditions, medication and, for selected people, metabolic or bariatric surgery.
Avoid extreme promises
Very restrictive diets can produce short-term weight loss for some people, but sustainability, nutritional adequacy, medication effects and long-term health markers matter. No single eating pattern is ideal for everyone.
Focus on measurable health
Useful goals may include improved glucose control, blood pressure, mobility, sleep, strength or quality of life—not only a particular number on a scale.
Weight-management treatment should be individualised and free from stigma.
Choose outcomes that matter to your life
A useful plan starts with a health goal: easier movement, better sleep, improved blood pressure or glucose management. Ask permission before discussing weight with someone else. BMI is one screening measure; it does not describe every aspect of health or personal circumstances.
Where keto fits
Some people find a lower-carbohydrate pattern helpful for appetite or glucose management. The choice should account for food access, medicines, nutritional adequacy and whether it is sustainable. Carnivore has much less direct clinical evidence. Weight reduction is not proof that a diet treats every disease, and people with unintentional weight loss need assessment rather than further restriction.
Practical checklist
- Choose one health outcome to track alongside weight if appropriate.
- Review sleep, medicines, pain and activity barriers.
- Ask about dietetic and behavioural support that is available locally.
- Discuss the benefits, risks and eligibility for medicines or surgery when relevant.
- Agree a follow-up date and revise a plan that causes harm or cannot be sustained.
Common question
Is needing medication a personal failure?
No. Obesity is a complex chronic condition. Treatment choices should reflect health needs, benefits, risks and preferences.
Sources and further reading
Related support
Use our appointment preparation guide, resources and community support to plan your next step.
Sources checked 22 September 2026. General education, not individual medical advice. International service arrangements may differ from South Africa. Featured artwork is illustrative, not a patient testimonial.
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