Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

What is Monogastric Digestion?

What is Monogastric Digestion?

The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.

Optimal Foraging

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.

Regulation of Food Intake

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...

Evolutionary Psychology

Evolutionary Psychology

Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...

Criticisms of the Evolutionary Perspective

Criticisms of the Evolutionary Perspective

In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Taste deficiency for phenylthiourea in African Negroes and Chinese.

Annals of eugenics·2014

Same author

The supravital staining of osteoclasts with neutral-red; their distribution on the parietal bone of normal growing mice, and a comparison with the mutants grey-lethal and hydrocephalus-3.

Proceedings of the Royal Society of London. Series B, Biological sciences·2010

Same author

Blood group, protein, and red cell enzyme polymorphisms of the Hadza of Tanzania.

Human genetics·1982

Same author

Alpha and beta chains of the major haemoglobin and a note on the minor component of Tarsius.

Nature·1976

Same author

Protein polymorphism in the Hanuman langur (Presbytis entellus).

Folia primatologica; international journal of primatology·1975

Same author

Colour-blindness and sensitivity to PTC in Hadza.

Annals of human biology·1975

Search research articles

Related Experiment Video

Updated: Jul 13, 2026

Fat Preference: A Novel Model of Eating Behavior in Rats

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

Human nutrition: evolutionary perspectives.

¹University College, London.

Integrative Physiological and Behavioral Science : the Official Journal of the Pavlovian Society

|March 31, 2007

Summary

This summary is machine-generated.

Human evolution involved a dietary shift from vegetarian ape diets to meat-rich hunting economies. While genetics clarifies evolutionary mechanisms, direct evidence linking diet to human evolution remains scarce.

More Related Videos

Control of Eating Behavior Using a Novel Feedback System

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

Related Experiment Videos

Last Updated: Jul 13, 2026

Fat Preference: A Novel Model of Eating Behavior in Rats

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

Control of Eating Behavior Using a Novel Feedback System

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Palatable Western-style Cafeteria Diet as a Reliable Method for Modeling Diet-induced Obesity in Rodents

Published on: November 1, 2019

Area of Science:

Paleoanthropology
Evolutionary Biology
Human Origins

Background:

Recent discoveries highlight diet's role in human evolution.
A significant dietary transition occurred from ape ancestors to early humans.
Understanding evolutionary mechanisms has advanced with genetics.

Purpose of the Study:

To explore the evolutionary impact of dietary changes in human origins.
To investigate the transition from vegetarian ape diets to human hunting economies.
To assess the evidence for diet as a driver of human evolution.

Main Methods:

Review of recent paleontological and genetic evidence.
Analysis of evolutionary transitions in hominid diets.
Examination of environmental factors influencing human evolution.

Main Results:

Evidence suggests a major dietary shift towards meat consumption in human forerunners.
Genetics provides a framework for understanding evolutionary change.
Empirical data directly linking diet to specific evolutionary changes is limited.

Conclusions:

Diet is a crucial environmental factor in human evolution.
Further research is needed to provide concrete evidence for diet's evolutionary role.
The transition to a meat-inclusive diet was a complex evolutionary event.