Information from the Barbara O'neil chat, from people who attended her conference Dr Sarah myhill is another Dr who talks about Diabetes and diet I
Her main ideas about diabetes
In her writing and talks, she generally argues that diabetes—especially type 2—is mainly driven by modern diet and lifestyle.
Key points she often makes include:
1. Diet is the main cause and treatment
She believes modern Western diets (high sugar, refined carbs, processed foods) drive metabolic syndrome, which leads to insulin resistance and type 2 diabetes. 
2. Type 2 diabetes can often be reversed
Her approach focuses on:
• Reducing carbohydrates and sugar
• Eating whole foods
• Increasing healthy fats and fibre
• Stabilising blood sugar with diet and lifestyle
She argues that addressing the root causes can sometimes prevent or reverse type 2 diabetes rather than relying mainly on medication. 
3. Metabolic flexibility (burning fat rather than carbs)
She suggests the body should be able to burn fat efficiently for energy, which she thinks helps regulate blood sugar and insulin levels. 
4. Other factors she discusses
Her work also mentions possible contributors such as:
• Environmental toxins
• Nutrient deficiencies
• Poor lifestyle habits
• Certain medications or health conditions. 
Important to know
Some of her views are controversial and not universally accepted in mainstream medicine. NHS guidance usually emphasises:
• balanced diet
• weight management
• physical activity
• medication when needed.