Episode
Which Diet Actually Works? Evidence from 80+ Studies
- Podcast
- Aurora By Dr Lynne Reid
- Published
- Sep 19, 2025
- Duration seconds
- 987
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Summary
This episode reviews an umbrella meta-analysis of randomized trials examining popular diets (Mediterranean, DASH, low-carb, low-fat, high-protein, vegetarian/vegan, low-GI, paleo, intermittent fasting and more) and their effects on weight, BMI, lipids, glucose, insulin, HbA1c and blood pressure.Key takeaways: the Mediterranean diet showed the most consistent benefits with no reported harms, DASH showed some benefit, while many other diets produced short-term or mixed results. Overall evidence quality was often low and highly variable, so the episode emphasizes sustainable, whole-food, plant-forward eating patterns and long-term adherence over short-term fad diets.