Leigh Broadhurst, PhD on How to Feed Your Brain and How Our Brains Doubled in Size

Sep 22, 20202 min read

Updated: Sep 30, 2020

Leigh Broadhurst, PhD - Peak Human Podcast

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Dr. C. Leigh Broadhurst is a research geochemist and physical chemist with the Environmental Microbial and Food Safety Laboratory, USDA Agricultural Research Service, and University of Maryland, Baltimore County. She is an expert on polyunsaturated fatty acid physical chemistry and biophysics, and together with colleagues has made dramatic advances in the field of paleonutrition and brain specific-nutrition; most importantly to understand the remarkable essentiality of docosahexaenoic acid (DHA; omega-3). Dr. Broadhurst has also published extensively in the fields of medicinal plants, environmental remediation utilizing plants, and natural diabetes prevention and cure. She has been a consultant, author and educator for the natural products industry for 25 years.

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SHOW NOTES

[12:10] How different indigenous cultures ended up landing in different continents.
The Epigenetic Emergence of Culture at the Coastline: Interaction of Genes, Nutrition, Environment and Demography
[19:00] How people knew they needed nutrition from certain foods.
[21:20] What he focuses on in his research.
[29:10] The importance of DHA from animal sources.
[34:25] Finding large amounts of shells throughout the South Africa coast and what it means for paleoanthropology.
[44:25] The issue with militant veganism.
[46:50] Veganism is and should be an adult choice.
[49:40] Plant foods are still important for our health.
[1:04:50] There used to be good reason for processed food, but not so much anymore.
[1:09:10] Aquatic Ape Theory.
[1:25:10] DHA Aquatic Theory.
Rift Valley lake fish and shellfish provided brain-specific nutrition for early Homo
Brain-specific lipids from marine, lacustrine, or terrestrial food resources: potential impact on early African Homo sapiens
[1:30:10] The problem with Paleoanthropology industry.
[1:33:00] The importance of putting effort into what you consume.
[1:36:50] More arguments and support for the aquatic ape theory.
[1:41:10] Physiological arguments for human elements for long term adaptations for an aquatic environment.