It also varies very much country to country. The US subsidises corn, so has a surfeit of corn, so they feed a lot of corn to animals. This gives US animals a d

It also varies very much country to country. The US subsidises corn, so has a surfeit of corn, so they feed a lot of corn to animals. This gives US animals a different profile to say, Australian grass fed animals (although obviously Australia also sometimes finishes animals on grain, but it isn't corn much). All in all dietary studies are a total shit show of confounding variables even when done incredibly well. Then there are the thousands a year that are not done well, but if they have the right headline get coverage.