Ah, yes, https://www.hsph.harvard.edu/nutritionsource/healthy-eating-plate/ https://www.hsph.harvard.edu/nutritionsource/healthy-eating-... , the Harvard guide

Ah, yes, https://www.hsph.harvard.edu/nutritionsource/healthy-eating-plate/ https://www.hsph.harvard.edu/nutritionsource/healthy-eating-... , the Harvard guide telling you to checks avoid potatoes, the most nutritionally diverse thing you could live off of solely for longest, and to eat 'healthy' vegetable oils like processed canola and soybean oil...