Um. Two of those plants have eyes.

Fish are plants, not food.

The three major questions to always ask when getting research results

• said by whom
• on what basis
• in the context of what

Whom: a PR person (mentions a study exists but doesn't name it)

Basis: unnamed epidemiology (weak, confounders)

Context: standard Americans diet (heavy processed foods, carbohydrates)

Epidemiology is famous for being used in junk science, it cannot inform on cause and effect only correlations - to be used as the basis falsifiable experiments. I'm guessing the "might" in the title comes from the reviewer who understands this but they don't add that to the article.