Knowledge Tree
meat
Facts (87)
Sources
The Evolution of Diet - National Geographic nationalgeographic.com 14 facts
claimHuman gut bacteria digest L-carnitine, a nutrient found in meat, and a mouse study indicated that the digestion of L-carnitine boosted artery-clogging plaque.
claimForagers rely on 'fallback foods' when primary food sources like meat, fruit, or honey are scarce, according to Brooks.
measurementLoren Cordain concluded after studying living hunter-gatherer societies that 73 percent of these societies derived more than half of their calories from meat.
perspectiveLeslie Aiello and Leonard assert that the hallmark of being human is not a specific taste for meat, but the ability to adapt to many habitats and combine various foods to create healthy diets.
claimSome scientists hypothesize that eating meat was crucial to the evolution of larger brains in human ancestors approximately two million years ago.
claimHomo erectus fueled the evolution of a larger brain by consuming calorie-dense meat and marrow instead of the low-quality plant diet consumed by apes.
claimHunter-gatherers often experience periods where they consume less than a handful of meat per week.
claimHomo erectus and subsequent human bodies depended on a diet of energy-dense food, particularly meat.
perspectiveMany paleoanthropologists argue that the modern Paleolithic diet's heavy focus on meat does not accurately replicate the diversity of foods consumed by human ancestors, nor does it account for the active lifestyles that protected them from heart disease and diabetes.
measurementThe Hadza and Kung bushmen of Africa fail to acquire meat on more than 50 percent of their hunting expeditions using bows and arrows.
claimThe Inuit of Greenland survived for generations on a diet consisting almost entirely of meat due to the harsh landscape.
claimDiets centered on meat and dairy consume more global resources than diets centered on unrefined grains, nuts, fruits, and vegetables.
claimHarvard primatologist Richard Wrangham argues that the most significant revolution in the human diet occurred when humans learned to cook, rather than when they began eating meat.
claimAmong hunter-gatherer societies, women and children provide the majority of calories during periods when meat is scarce.
How do we know what they ate? - The Australian Museum australian.museum Oct 21, 2020 9 facts
claimThe inclusion of meat in the diet allowed human ancestors to inhabit more varied environments by utilizing non-seasonal animal food resources instead of relying on seasonal plant foods like fruits and tubers.
claimHerbivores require large intestinal tracts because vegetation is more difficult to digest than meat.
claimMeat became a significant part of the human diet approximately two million years ago.
claimThe inclusion of meat in the diet of human ancestors reduced the time needed for food gathering, leaving more time for learning and social activities.
claimThe inclusion of meat in the diet of human ancestors resulted in a reduction in tooth and jaw size, which is linked to a reduction in chewing.
claimThe inclusion of meat in the diet of human ancestors resulted in a decrease in the size of the intestinal tract and an increase in brain size.
claimThe consumption of meat allowed human ancestors to sustain active lifestyles and develop larger brains.
claimIncreasing the proportion of meat in the diet allowed the digestive system of human ancestors to shrink, freeing up energy to sustain a larger brain.
claimThe inclusion of meat in the diet provided human ancestors with increased protein, fat, and energy levels, marking a turning point in human evolution.
Future of Food Series Part IV: The Evolution of Diet harmonyvalleyfarm.blogspot.com Sep 11, 2014 8 facts
perspectiveA diet revolving around meat and dairy will take a greater toll on global resources than a diet revolving around unrefined grains, nuts, fruits, and vegetables, which is a significant concern given the global population is expected to reach nine billion by 2050.
claimThe author of the Harmony Valley Farm blog post asserts that a diet consisting of local fruits, vegetables, some meat, fish, and whole grains, combined with one hour of daily exercise, serves as a recommended framework for individual health.
claimWhile hunter-gatherer societies globally tend to crave meat more than other foods, the amount of meat they are able to secure and consume on a regular basis varies widely.
quoteAmanda Henry, a paleobiologist at the Max Planck Institute for Evolutionary Anthropology, stated: “There’s been a consistent story about hunting defining us and that meat made us human.”
measurementLoren Cordain, an evolutionary nutritionist at Colorado State University, found in his studies of traditional hunter-gatherer societies that 73 percent of the societies obtained at least 50 percent of their daily caloric intake from meat.
claimAcademic studies on historic and modern hunter-gatherer societies indicate that the actual Paleolithic diet was not composed entirely of meat and marrow.
measurementResearchers estimate that meat provides approximately 30 percent of the annual caloric intake for most hunter-gatherer groups, with the exception of Arctic populations like the Inuit, who obtain 99 percent of their calories from seals, narwhals, and fish.
quoteGibbons stated: "If most of the world ate more local fruits and vegetables, a little meat, fish, and some whole grains, and exercised an hour a day, that would be good news for our health—and for the planet."
A Twist on Paleo: Eat What Your Family Ate—500 Years Ago nationalgeographic.com Mar 2, 2016 5 facts
accountLe observed that his relatives in Vietnam consumed a diet consisting of little sugar and small amounts of animal byproducts in rice and vegetables, which contrasted with his own diet of cereal for breakfast and meat for lunch and dinner.
claimStephen Le characterizes the popular Paleo diet, which emphasizes meat and limits grains, as relying on a 'pretty superficial interpretation of evolution.'
claimThe Amish in America have almost no obesity despite consuming a diet rich in meat and potatoes, which Le attributes to their high levels of physical activity, specifically walking three times as much as the average citizen.
claimThe Inuit in North America and the Maasai pastoralists in Kenya are biologically adapted to consume diets higher in meat and dairy, and they lack the gut enzymes to break down the starches and sugars found in many modern diets.
claimStephen Le asserts that meat and dairy were historically rare in most of the world and are the primary contributors to modern dietary health issues.
To Follow the Real Early Human Diet, Eat Everything scientificamerican.com Jun 25, 2024 4 facts
accountLong-term studies of the Hadza people indicate that their diet varies seasonally, with some months dominated by honey consumption, others by plant foods like root vegetables, and periods where meat consumption is minimal.
claimIt is possible that early humans were targeting fat rather than meat when they first began butchering animals.
claimThe Hadza, a group of foragers in northern Tanzania, are frequently cited by proponents of animal-based diets, such as Saladino and the Liver King, to support the consumption of meat.
claimThe genus Homo evolved smaller teeth with crests that were better suited for consuming tough foods, including meat.
Associations between dietary diversity and self-rated health in a ... link.springer.com Feb 28, 2025 4 facts
claimParticipants in Tessekere (Senegal) reported lower or absent consumption of '9. Eggs', '7. Meat', '8. processed meat', '16. sentinel fried and salty foods', and '18. alcoholic beverage' compared to other regions.
claimAmong the Chinese elderly, daily consumption of fruit, meat, fish, egg, and tofu improves self-rated health, while daily sugar consumption is associated with a poorer self-rated health assessment.
claimThe first principal component (PC1) of the dietary profile PCA correlated with '10. fish and shellfish' in opposition to '8. processed meat' and '7. meat', representing a gradient of animal protein sources from aquatic to terrestrial origin.
claimDietary patterns of participants from Caribbean Coast (Guadeloupe) and Oyapock (French Guiana) are characterized by food groups ‘7. meat’, ‘8. processed meat’, ‘9. eggs’, ‘5. ripe fruits’ and ‘2. roots, tubers and other starchy foods’, a pattern labeled “animal protein of terrestrial origin and high starch”.
Paleolithic diet - Wikipedia en.wikipedia.org 3 facts
claimPermissible foods in the Paleolithic diet include vegetables, fruits, nuts, roots, meat, and organ meats.
claimThe Paleolithic diet typically includes vegetables, fruits, nuts, roots, and meat, while excluding dairy products, grains, sugar, legumes, processed oils, salt, alcohol, and coffee.
claimThe Paleolithic diet includes vegetables (including root vegetables), fruit (including fruit oils like olive, coconut, and palm oil), nuts, fish, meat, and eggs, while excluding dairy, grain-based foods, legumes, extra sugar, and industrial nutritional products like refined fats and carbohydrates.
Reviewing the Prehistoric Menu | American Scientist americanscientist.org 3 facts
claimModern paleo diets often emphasize avoiding grains, dairy, and legumes based on the assumption that early humans did not consume these foods and relied heavily on meat.
perspectiveThe author argues that early human ancestors likely relied on scavenging for meat and marrow rather than hunting, because butchery marks appear on large animals in the fossil record before the existence of hunting technology, and it is implausible that small hominins could take down large animals like elephants without such technology.
claimThere is limited evidence in the fossil record to support the claim that early humans consumed meat on the scale suggested by modern paleo diet adherents.
Food Consumption Changes in The Ruler Tribal Community bioresscientia.com Feb 15, 2025 3 facts
claimIn the Ruler tribe diet, vegetables, pulses, and milk products are consumed several times a week, while meat and wild foods are consumed less frequently but serve as important protein sources when available.
measurement71% of the Ruler tribal community consumes fish twice per week, 51% consumes chicken twice per week, and 56% consumes meat twice per week.
measurementAmong the surveyed Irular tribal community members, 71% consume fish twice weekly, 51% consume chicken twice weekly, and 56% consume meat twice weekly.
The Western Diet: Processed Foods and Meats Are Killing Us sentientmedia.org Jan 10, 2019 3 facts
claimA well-balanced, plant-based vegan diet is healthier than a diet high in meat and processed foods.
quoteDavid Tilman, a professor of Ecology at the University of Minnesota, stated that as people’s income increases, they choose to consume more calories and meat in their diet.
claimThe Western Diet negatively impacts health on two fronts: it affects people with increasing income who can afford more meat and calories, and it affects the poor who can only afford the cheapest, most highly processed food options.
Global overview of dietary outcomes and dietary intake assessment ... link.springer.com Aug 21, 2021 2 facts
claimIn maritime settings, access to meat, processed meat, eggs, frozen and canned food items, sugary drinks, alcohol, and greasy and salty food is high, while consumption of fruit, vegetables, dairy products, and cereals is lower than recommended dietary guidelines.
claimDietary intake in maritime settings is characterized by high consumption of meat, processed meat, eggs, frozen and canned food, sugary drinks, alcohol, and greasy and salty foods, while consumption of fruit, vegetables, dairy products, and cereals is lower than recommended.
Origins and evolution of the Western diet: health implications for the ... academia.edu 2 facts
referenceKinjo Y, Beral V, Akiba S, et al. identified a possible protective effect of milk, meat, and fish consumption against cerebrovascular disease mortality in Japan, as published in the Journal of Epidemiology in 1999.
referenceCordain L, Eaton SB, Brand Miller J, Mann N, and Hill K published 'The paradoxical nature of hunter-gatherer diets: meat based, yet non-atherogenic' in the European Journal of Clinical Nutrition in 2002 (Volume 56, supplement, pages S42-52).
The role of Plant Foods in the evolution and Dispersal of early Humans kernsverlag.com Jul 30, 2022 2 facts
claimChanges in Homo masticatory capacity, specifically decreased enamel thickness and increased shearing quotients compared to Australopithecus, support the inclusion of tough and elastic resources like meat in early Pleistocene diets, according to Ungar (2004).
claimThe historical focus on meat in Paleolithic diets reflects biases in the archaeological record and is supported by assertions that most calories in modern hunter-gatherer diets and Paleolithic diets (based on isotopic analysis) were derived from animal sources.
Dietary Guidelines and Quality - Principles of Nutritional Assessment nutritionalassessment.org 2 facts
procedureThe Mediterranean-Style Dietary Pattern Score (MSDPS) assigns points based on daily or weekly servings of specific food groups, including whole grains (8 servings/day), fruits (3 servings/day), vegetables (6 servings/day), dairy (2 servings/day), wine (1.5 servings/day for women, 3 servings/day for men), fish/seafood (6 servings/week), poultry (4 servings/week), olives/legumes/nuts (4 servings/week), potatoes/starchy roots (3 servings/week), eggs (3 servings/week), sweets (3 servings/week), and meat (1 serving/week).
formulaThe Mediterranean Diet Score (MDS) ranges from 0 (minimal adherence) to 9 (maximal adherence) and is calculated based on nine components: vegetables, legumes, fruits and nuts, cereal, fish, the ratio of monounsaturated to saturated lipids, meat, dairy products, and alcohol.
Western pattern diet | Nutrition and Dietetics | Research Starters ebsco.com 1 fact
claimRising incomes globally are associated with a trend where people choose diets higher in meat and calories.
Homo erectus, our ancient ancestor | Natural History Museum nhm.ac.uk 1 fact
claimThe diet of Homo erectus consisted of meat, initially obtained through scavenging and later potentially through hunting, as well as plants.
Indigenous Foods - National Indian Council on Aging nicoa.org 1 fact
claimThe National Indian Council on Aging states that processed foods are generally located in the middle aisles of grocery stores, whereas healthier food choices like dairy, fruits, vegetables, meat, and fish are located around the perimeter.
The Role Of Traditional Foods In Native Elder Health icaa.cc 1 fact
claimBased on a word cloud analysis of reported consumption, Native Elders most frequently consumed fish, beans, meat, corn, deer, salmon, berries, and frybread as part of their traditional diet.
Measurement Of Dietary Diversity Research Articles - Page 1 discovery.researcher.life 1 fact
measurementWithin-group dietary diversity measures, which have grown in usage since 2010, primarily assessed fruit and/or vegetable diversity (over 50%), meat/alternatives diversity (25%), grain diversity (10%), and dairy diversity (8%).
Health and environmental impacts of diets worldwide globalnutritionreport.org 1 fact
perspectiveThe 2021 Global Nutrition Report asserts that policy measures are required to transform the food system toward healthy and sustainable food production by prioritizing the adoption of healthy and sustainable diets and disincentivizing the production and consumption of high-impact foods such as meat and dairy.
Prehistoric Dining: The Real Paleo Diet | National Geographic nationalgeographic.com Apr 22, 2014 1 fact
claimThe 'paleo diet' recommends consuming meat, fish, fruits, vegetables, eggs, and nuts, while excluding cereal grains, dairy products, legumes, refined sugar, and processed foods.
measurement-of-dietary-diversity Research Articles - Page 1 discovery.researcher.life 1 fact
measurementIn the scoping review by Annalijn I Conklin et al., over half of the 114 within-group diversity measures assessed fruit and/or vegetable diversity, 25% assessed meat/alternatives diversity, 10% assessed grain diversity, and 8% assessed dairy diversity.
Understanding the new Dietary Guidelines for Americans hsph.harvard.edu Jan 8, 2026 1 fact
claimTeresa Fung observes that the 2025-2030 Dietary Guidelines for Americans prioritize meat over plant proteins like beans, peas, and lentils.
Western pattern diet - Wikipedia en.wikipedia.org 1 fact
claimIncreasing per capita incomes lead to the urbanization of a population, which causes a shift from low-calorie, vegetable-intense diets to energy-intensive diets characterized by increased consumption of meat, refined fats, oils, and sugar.
Unknown source 1 fact
claimDiets revolving around meat and dairy are currently on the rise throughout the developing world.
The Evolution of Human Nutrition carta.anthropogeny.org Dec 7, 2012 1 fact
claimCooking increases the energy provided by starch and meat, and saves eating time, which facilitates dedicated hunting.
Ethnobotanical profiles of wild edible plants recorded from Mongolia ... pubmed.ncbi.nlm.nih.gov Aug 11, 2021 1 fact
claimSeven species of plants mentioned in the Flora of the People's Republic of Mongolia (FPM) are closely correlated with the traditional processing of dairy products, meat, and milk food by local Mongolians.
A Consensus Proposal for Nutritional Indicators to Assess ... - Frontiers frontiersin.org 1 fact
claimUsing FAOSTAT data to assess environmental sustainability can be misleading because livestock production has a greater role in greenhouse gas emissions than livestock consumption, and importing meat rather than producing it domestically can skew environmental impact calculations.
Paleo's evolution and the modern story of stone-age eating - Rily rily.co Mar 20, 2024 1 fact
claimThe Paleo Diet emphasizes the consumption of lean protein sources, such as meat, poultry, and fish, while discouraging processed meats with additives.
Measurement of diets that are healthy, environmentally sustainable ... frontiersin.org 1 fact
claimMost literature assessing the environmental and health externalities of foods focuses on 'whole commodities' such as meat, dairy, cereals, or fruits, while failing to account for the environmental, health, and social impacts of processed and packaged food items common in urban settings.
Sustainable and healthy diet index (SHDI) unveils regional ... link.springer.com Sep 11, 2025 1 fact
claimMeat is an overconsumed food in most of the five Case Study Territories (CSTs) examined in the SysOrg survey.
Evidence for Meat-Eating by Early Humans | Learn Science at Scitable nature.com 1 fact
referenceJohn D. Speth examined the role of meat as an energy source in early hominid hunting and scavenging in a 1989 study published in the Journal of Human Evolution.
The Western Diet and Its Impact on Modern Health: What Patients ... diagnosticdetectives.com 1 fact
claimResearchers defined 'traditional' dietary patterns as those high in fruits, vegetables, meat, fish, and whole grains, while 'Western' diets were defined as consisting mainly of processed or fried foods, refined grains, and sugar.
Nutritional Evolution – Human Origin and Evolution ebooks.inflibnet.ac.in 1 fact
claimThe earliest evidence of tool use is linked with Homo habilis, who used simple, effective, sharp-edged stone flakes as cutting tools for meat and plant foods (Isaac and Sept, 1988).
Paleolithic diet: An overview | Request PDF - ResearchGate researchgate.net 1 fact
claimThe Paleolithic (Paleo) diet is a nutritional regimen modeled after the perceived food consumption patterns of early human ancestors during the Paleolithic Era, which primarily consists of meat.
Medicinal plants: bioactive compounds, biological activities ... frontiersin.org 1 fact
claimEnterohemorrhagic Escherichia coli (EHEC) strains are associated with foodborne infections acquired through the consumption of milk and inadequately cooked animal products, particularly meat.
The Paleolithic Diet - PMC - NIH pmc.ncbi.nlm.nih.gov Jan 25, 2023 1 fact
claimSome writers, cited as reference [2] in the PMC article 'The Paleolithic Diet', assert that primitive Homo sapiens were omnivores who consumed a significantly higher quantity of vegetables than meat.