Eat prawn – diversify your microbiome – enhance your mood positively…

https://www.uva.nl/en/shared-content/faculteiten/en/faculteit-der-maatschappij-en-gedragswetenschappen/news/2022/12/microbiome-composition-influences-depression.html?cb&cb

Not unlike microbiome modifying control of prawn culture/therapy used currently.

https://www.biomebank.com/news/media-release/biomebank-announces-world-first-regulatory-approval-for-donor-derived-microbiome-drug/