There are other nutrients than vitamin c and a, but If you’re eating a high seafood diet and lots of liver, great.

Low carb isn’t going to magically protect you from cancer and heart disease. Studies don’t have to be specifically on low carb diets to be valid. Also ‘may be a significant risk factor’ is normal scientific wording for finding a statistical correlation.

the intuit lived without plants, and without cancer I don’t think we have evidence for that, and I’m not sure it’s even relevant.

More importantly though, even the best farming practices, there is no sustainable or environmentally friendly way to produce meat. Again, I’m not sure what the Inuit have to do with that, given how different our modern meat industry is. But growing food, feeding it to animals (who produce greenhouse gasses), and eating those animals is an extremely inefficient and destructive way to get food. Not to mention the horrific treatment, enslavement, and killing of those animals.