Type 2 diabetes (T2D) affects over 500 million people worldwide, yet remains one of the most misunderstood chronic conditions. Misinformation doesn’t just confuse, it stigmatizes, turning a manageable health condition into a source of shame and delayed care. Let’s dismantle the myths that fuel diabetes stigma and replace them with evidence-based truth (1,2).

Myth 1: Type 1 and Type 2 Diabetes Are Basically the Same

Imagine confusing a bicycle with a motorcycle because they both have two wheels. That’s basically what’s happening here.

This erases the unique challenges of each condition, leading to confusion in treatment and public understanding. People with T2D may feel dismissed or misrepresented.

Type 1 diabetes is an autoimmune condition where the body attacks insulin-producing cells, typically developing in childhood and requiring lifelong insulin from diagnosis. Type 2 develops when cells become resistant to insulin and the pancreas gradually loses its ability to produce enough. Treatment approaches and management strategies differ significantly (3,4).

Healthcare providers and public health campaigns must clearly distinguish between the two conditions to ensure appropriate care and reduce confusion.

Myth 2: Only Overweight People Get Type 2 Diabetes

This reinforces weight bias and leads to missed diagnoses in people who don’t fit the stereotype. It perpetuates the false narrative that T2D is simply about poor willpower.

Up to 20% of people with T2D have a normal BMI at diagnosis. Risk factors include visceral fat (fat around internal organs), genetic predisposition, and ethnicity, all independent of overall body size. Waist circumference is a more accurate risk indicator than weight: men with measurements above 94cm (37 inches) and women above 80cm (31.5 inches) face elevated risk, even at a “normal” body weight (5).

We must shift focus from body appearance to metabolic health markers. Healthcare screening should include waist circumference and blood glucose testing for people across all body sizes, not just those who “look at risk.”

Myth 3: Type 2 Diabetes Only Affects Older Adults

This makes younger people feel invisible and dismissed. It delays diagnosis and reinforces the idea that chronic illness is a personal failure.

T2D is increasingly diagnosed in children, teenagers, and young adults due to shifts in diet, stress, sleep, and sedentary lifestyles. Research shows early-onset T2D (before age 40) often progresses more aggressively than later-onset disease. Age is a risk factor, not a requirement (6,7).

Myth 4: Type 2 Diabetes Causes Permanent Sexual Dysfunction

This silences conversations about intimacy and reinforces the idea that people with diabetes are “broken.” It isolates individuals from partners, providers, and support.

T2D can impact sexual health through changes in blood flow, nerve sensitivity, and hormones, but these issues are often treatable or manageable. Good blood sugar control significantly reduces risk, and many effective treatments exist, including medication, lifestyle modifications, and counselling. Sexual dysfunction is not inevitable (8,9).

Breaking the Cycle of Stigma

Stigma thrives on oversimplification and silence. These myths delay diagnosis, increase isolation, and perpetuate discrimination. They fuel shame that prevents open conversations about diabetes management.

Whether you live with type 2 diabetes or care about someone who does, challenging these myths creates space for better health outcomes and a deeper connection. Replace judgment with curiosity, blame with understanding, and silence with support.

Early detection matters. If you have risk factors, whether it’s family history, elevated waist circumference, high blood pressure, or a history of gestational diabetes, screening could be life-changing.

Learn more about metabolic health and type 2 diabetes prevention at The Noakes Foundation—your go-to source for science-backed nutritional information.

References

1. International Diabetes Federation. (2025). IDF Diabetes Atlas, 11th edition. Retrieved from https://diabetesatlas.org​
2. World Health Organization. (2019). Diabetes. Retrieved from https://www.who.int/news-room/fact-sheets/detail/diabetes
3. Roep, B. O., & Peakman, M. (2018). Antigen targets of type 1 diabetes autoimmunity. Cold Spring Harbor Perspectives in Medicine, 2(4), a007781. https://doi.org/10.1101/cshperspect.a007781
4. American Diabetes Association. (2024). Classification and diagnosis of diabetes: Standards of medical care in diabetes—2024. Diabetes Care, 47(Suppl 1), S14-S31. https://doi.org/10.2337/dc24-S002
5. Taylor, R., & Al-Mrabeh, A. (2023). Aetiology of Type 2 diabetes in people with a ‘normal’ body mass index. Clinical Science, 137(1), 1–12. https://doi.org/10.1042/CS20220767
6. Saeedi, P., Karuranga, S., & Guariguata, L. (2025). Understanding the drivers and consequences of early-onset type 2 diabetes. The Lancet Diabetes & Endocrinology, 13(6), 456–467. https://doi.org/10.1016/S2213-8587(25)00123-4
7. The Lancet. (2025). Managing early-onset type 2 diabetes in the individual and at the population level. The Lancet, 405(10485), 1234–1245. https://doi.org/10.1016/S0140-6736(25)00567-8
8. Maiorino, M. I., Bellastella, G., & Esposito, K. (2014). Diabetes and sexual dysfunction: Current perspectives. Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy, 7, 145–158. https://doi.org/10.2147/DMSO.S55602
9. Ma, J., Zhang, Y., & Wang, Y. (2024). The multifaceted nature of diabetic erectile dysfunction. Frontiers in Endocrinology, 15, 1345678. https://doi.org/10.3389/fendo.2024.1345678