Here's a recent study on olive oil - https://www.ahajournals.org/doi/10.1161/JAHA.124.035034
If you are prediabetic or diabetic - you want to keep fats low and low on the glycemic index. Oatmeal and lentils don't raise blood sugars for everyone.

Dairy and cancer - https://nutritionfacts.org/video/friday-favorites-dairy-and-cancer/
Dr. Greger has evidence based science - references
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