At SciAm today: should you paleolithic diet allow tuna? Posted on January 11, 2012 by scicurious Today I’m at SciAm. I am NOT in fact talking about Paleolithic diets. What I AM talking about is tuna. Fished by people 42,000 years ago! I’ll go over the evidence and why it might be surprising (hint, no fish hooks). Go over and check it out!