This is nonsense. As the article itself states, if you're really paranoid about this then just take an algae supplement, which contains plenty of DHA. That's where fish get it. They don't make it themselves. And it doesn't come with all the pollutants you get from fish these days either.
The amount of these fatty acids needed by the brain is quite small and even at low conversion rates can easily be met by conversion from other plant sources too.
The amount of these fatty acids needed by the brain is quite small and even at low conversion rates can easily be met by conversion from other plant sources too.
Summary of research on the subject:
https://www.youtube.com/watch?v=XMA5ij-bsKc