14min chapter

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Part 108 - Michael Crawford, PhD on Seafood and Human Evolution, Mental Health, and Magical DHA

Peak Human - Unbiased Nutrition Info for Optimum Health, Fitness & Living

CHAPTER

The Evolutionary Journey of DHA in Photoreception and Brain Development

Exploring the evolution of photoreception from 600 million years ago to the development of giant brains in humans and dolphins, this chapter emphasizes the crucial role of DHA in this evolutionary process. It highlights the influence of DHA on the evolution of photoreceptors, brain sizes in mammals, and the transition of mammals to the marine environment. The narrative also delves into the historical significance of scavenging for DHA-rich foods, particularly seafood, in human evolution and contrasts the abundance of seafood in the past with the scarcity and pollution seen today.

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