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Related Concept Videos

Optimal Foraging00:48

Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
Metabolic States of the Body: Fasting and Starvation01:24

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During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
The Fossil Record02:56

The Fossil Record

The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
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What is Evolutionary History?02:35

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Principles of Food Preservation

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Related Experiment Video

Updated: Jun 6, 2026

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

Paleolithic nutrition: twenty-five years later.

Melvin Konner1, S Boyd Eaton

  • 1Department of Anthropology, Emory University, Atlanta, GA 30306, USA. antmk@mindspring.com

Nutrition in Clinical Practice : Official Publication of the American Society for Parenteral and Enteral Nutrition
|December 9, 2010
PubMed
Summary

Modern chronic diseases may stem from dietary and activity patterns diverging from our hunter-gatherer ancestors. Research increasingly supports this evolutionary discordance hypothesis, showing benefits of ancestral diets.

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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
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Published on: January 29, 2018

Related Experiment Videos

Last Updated: Jun 6, 2026

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
07:56

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Published on: January 29, 2018

Area of Science:

  • Evolutionary biology
  • Nutritional science
  • Anthropology

Background:

  • The evolutionary discordance hypothesis posits that modern chronic diseases arise from deviations in diet and physical activity from ancestral human patterns.
  • Hunter-gatherer diets were characterized by low refined carbohydrates/sodium and high fiber/protein, with high physical activity levels.

Observation:

  • Anthropological evidence supports distinct ancestral nutritional and activity profiles compared to modern lifestyles.
  • Over 25 years, subsequent epidemiological, clinical, and laboratory studies have increasingly validated aspects of the evolutionary discordance model.

Findings:

  • Modern dietary recommendations are shifting closer to ancestral patterns, questioning previously advised very low intakes of protein, fat, and cholesterol.
  • Randomized controlled trials demonstrate the efficacy of hunter-gatherer-like diets in high-risk populations, sometimes outperforming standard recommendations.

Implications:

  • The evolutionary discordance hypothesis offers a valuable framework for understanding and potentially mitigating modern chronic diseases.
  • Further research is warranted to fully establish the validity and clinical application of ancestral dietary patterns.