Why can’t I lose weight by dieting? AND how best to lose weight long term!

Achieve and Maintain a Healthy Weight
Medically reviewed by Dr Peter TingSpeak with Dr Peter TingSenior Consultant Cardiologist · The Harley Street Heart & Vascular CentreDr Ting’s clinical interests include valvular heart disease, echocardiography, cardiac rehabilitation and preventive cardiology. Arrange an assessment to discuss your symptoms and options.Request a consultationView Dr Ting’s profile · Last reviewed August 2026

How many of you have tried a diet, lost some weight, then a few months later you are back to square one?! You are not alone. Studies show us that most people that try a diet have put that weight almost completely back on within 1-2 years. But why is that? Why is it so difficult to keep weight off long-term? What is the best way to lose weight and keep it off? In this educational video, I explain how your body tries to keep you at your current weight and why short terms diets don’t work in the long term. I will also explain the techniques needed to sustain weight loss long-term and improve your overall wellness.

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Emergency: call 995. Seek emergency care immediately for chest pain, fainting, or sudden severe breathlessness. In Singapore, dial 995 for an ambulance.

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Medically reviewed by Dr Peter Ting, Senior Consultant Cardiologist, The Harley Street Heart & Vascular Centre. This article is for general education and is not a substitute for medical advice.