Hunter-Gatherer Energetics and Human Obesity
Publication Date
July 25, 2012
Journal
PLOS ONE
Authors
Herman Pontzer, David A. Raichlen, Brian M. Wood, Audax Z. P. Mabulla, et al
Volume
7
Issue
7
Pages
e40503
DOI
https://dx.plos.org/10.1371/journal.pone.0040503
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0040503
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/22848382
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3405064
Europe PMC
http://europepmc.org/abstract/MED/22848382
Web of Science
000306806600018
Scopus
84864348838
Mendeley
http://www.mendeley.com/research/huntergatherer-energetics-human-obesity
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{"title"=>"Hunter-gatherer energetics and human obesity", "type"=>"journal", "authors"=>[{"first_name"=>"Herman", "last_name"=>"Pontzer", "scopus_author_id"=>"18233792200"}, {"first_name"=>"David A.", "last_name"=>"Raichlen", "scopus_author_id"=>"6506540179"}, {"first_name"=>"Brian M.", "last_name"=>"Wood", "scopus_author_id"=>"36817774200"}, {"first_name"=>"Audax Z P", "last_name"=>"Mabulla", "scopus_author_id"=>"18133831000"}, {"first_name"=>"Susan B.", "last_name"=>"Racette", "scopus_author_id"=>"6603921261"}, {"first_name"=>"Frank W.", "last_name"=>"Marlowe", "scopus_author_id"=>"7004710432"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"365330286", "sgr"=>"84864348838", "issn"=>"19326203", "pmid"=>"22848382", "scopus"=>"2-s2.0-84864348838", "doi"=>"10.1371/journal.pone.0040503", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)"}, "id"=>"dd3235ef-ae50-3a76-a8b7-02017351dd6a", "abstract"=>"Western lifestyles differ markedly from those of our hunter-gatherer ancestors, and these differences in diet and activity level are often implicated in the global obesity pandemic. However, few physiological data for hunter-gatherer populations are available to test these models of obesity. In this study, we used the doubly-labeled water method to measure total daily energy expenditure (kCal/day) in Hadza hunter-gatherers to test whether foragers expend more energy each day than their Western counterparts. As expected, physical activity level, PAL, was greater among Hadza foragers than among Westerners. Nonetheless, average daily energy expenditure of traditional Hadza foragers was no different than that of Westerners after controlling for body size. The metabolic cost of walking (kcal kg(-1) m(-1)) and resting (kcal kg(-1) s(-1)) were also similar among Hadza and Western groups. The similarity in metabolic rates across a broad range of cultures challenges current models of obesity suggesting that Western lifestyles lead to decreased energy expenditure. 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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/601833"], "description"=>"<p>Energy expenditure for Hadza hunter-gatherers (red circles) was similar to that of Westerners (gray <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Davidson1\" target=\"_blank\">[19]</a>–<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Welle1\" target=\"_blank\">[26]</a>). Bolivian women farmers (blue open circles <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Kashiwazaki1\" target=\"_blank\">[13]</a>, <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Kashiwazaki2\" target=\"_blank\">[31]</a>) had higher TEE than either Hadza or Western women. Trendlines are ordinary least squares regressions through Western men (solid line) and Western women (dashed line).</p>", "links"=>[], "tags"=>["comparisons", "tee"], "article_id"=>272322, "categories"=>["Physiology", "Biochemistry", "Biotechnology", "Evolutionary Biology"], "users"=>["Herman Pontzer", "David A. Raichlen", "Brian M. Wood", "Audax Z. P. Mabulla", "Susan B. Racette", "Frank W. Marlowe"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0040503.g001", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Individual_comparisons_of_TEE_and_FFM_/272322", "title"=>"Individual comparisons of TEE and FFM.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-07-25 00:38:42"}
  • {"files"=>["https://ndownloader.figshare.com/files/601922"], "description"=>"<p>Energy expenditure among Hadza hunter-gatherers (red circles) was similar to populations in market economies; subsistence farming populations (Nigeria, Gambia, Bolivia; blue circles) had higher TEE than other groups. All non-Hadza data from <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Dugas1\" target=\"_blank\">[16]</a> (<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503.s005\" target=\"_blank\">Text S1</a>). Each symbol is a single-sex population mean; male and female means are plotted separately for mixed-sex studies. Ordinary least squares regression lines are shown for all men (filled circles, solid line) and all women (open circles, dashed line). When controlling for body mass, men had higher TEE than women (F(162) = 86.75, p<0.001).</p>", "links"=>[], "tags"=>["comparisons"], "article_id"=>272419, "categories"=>["Physiology", "Biochemistry", "Biotechnology", "Evolutionary Biology"], "users"=>["Herman Pontzer", "David A. Raichlen", "Brian M. Wood", "Audax Z. P. Mabulla", "Susan B. Racette", "Frank W. Marlowe"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0040503.g002", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Population_comparisons_of_TEE_/272419", "title"=>"Population comparisons of TEE.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-07-25 00:40:19"}
  • {"files"=>["https://ndownloader.figshare.com/files/602012"], "description"=>"<p>Hadza BMRs are estimated (Methods). Trendlines shown separately for each sex/lifestyle group; dashed lines indicate female groups. Group body fat differences are significant (p<0.001), but slopes for %body fat versus PAL are not (<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503.s004\" target=\"_blank\">Table S1</a>).</p>", "links"=>[], "tags"=>["plotted"], "article_id"=>272508, "categories"=>["Physiology", "Biochemistry", "Biotechnology", "Evolutionary Biology"], "users"=>["Herman Pontzer", "David A. Raichlen", "Brian M. Wood", "Audax Z. P. Mabulla", "Susan B. Racette", "Frank W. Marlowe"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0040503.g003", "stats"=>{"downloads"=>2, "page_views"=>22, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Percent_body_fat_plotted_against_physical_activity_level_PAL_/272508", "title"=>"Percent body fat plotted against physical activity level, PAL.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-07-25 00:41:48"}
  • {"files"=>["https://ndownloader.figshare.com/files/602082"], "description"=>"<p>Values shown are means, ±standard deviations, and <i>ranges</i>. See <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503.s005\" target=\"_blank\">Text S1</a> for details on comparative data sources. PAL for the Hadza was calculated using estimated BMR <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0040503#pone.0040503-Henry1\" target=\"_blank\">[27]</a>.</p>", "links"=>[], "tags"=>["public health and epidemiology", "physiology", "Evolutionary biology", "Biochemistry"], "article_id"=>272574, "categories"=>["Physiology", "Biochemistry", "Biotechnology", "Evolutionary Biology"], "users"=>["Herman Pontzer", "David A. Raichlen", "Brian M. Wood", "Audax Z. P. Mabulla", "Susan B. Racette", "Frank W. Marlowe"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0040503.t001", "stats"=>{"downloads"=>0, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Population_characteristics_energy_expenditure_and_body_composition_/272574", "title"=>"Population characteristics, energy expenditure, and body composition.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-07-25 00:42:54"}
  • {"files"=>["https://ndownloader.figshare.com/files/315385", "https://ndownloader.figshare.com/files/315417", "https://ndownloader.figshare.com/files/315451", "https://ndownloader.figshare.com/files/315496", "https://ndownloader.figshare.com/files/315551"], "description"=>"<div><p>Western lifestyles differ markedly from those of our hunter-gatherer ancestors, and these differences in diet and activity level are often implicated in the global obesity pandemic. However, few physiological data for hunter-gatherer populations are available to test these models of obesity. In this study, we used the doubly-labeled water method to measure total daily energy expenditure (kCal/day) in Hadza hunter-gatherers to test whether foragers expend more energy each day than their Western counterparts. As expected, physical activity level, PAL, was greater among Hadza foragers than among Westerners. Nonetheless, average daily energy expenditure of traditional Hadza foragers was no different than that of Westerners after controlling for body size. The metabolic cost of walking (kcal kg<sup>−1</sup> m<sup>−1</sup>) and resting (kcal kg<sup>−1</sup> s<sup>−1</sup>) were also similar among Hadza and Western groups. The similarity in metabolic rates across a broad range of cultures challenges current models of obesity suggesting that Western lifestyles lead to decreased energy expenditure. We hypothesize that human daily energy expenditure may be an evolved physiological trait largely independent of cultural differences.</p> </div>", "links"=>[], "tags"=>["hunter-gatherer", "energetics", "obesity"], "article_id"=>122246, "categories"=>["Physiology", "Biochemistry", "Biotechnology", "Evolutionary Biology"], "users"=>["Herman Pontzer", "David A. Raichlen", "Brian M. Wood", "Audax Z. P. Mabulla", "Susan B. Racette", "Frank W. Marlowe"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0040503.s001", "https://dx.doi.org/10.1371/journal.pone.0040503.s002", "https://dx.doi.org/10.1371/journal.pone.0040503.s003", "https://dx.doi.org/10.1371/journal.pone.0040503.s004", "https://dx.doi.org/10.1371/journal.pone.0040503.s005"], "stats"=>{"downloads"=>17, "page_views"=>40, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Hunter_Gatherer_Energetics_and_Human_Obesity/122246", "title"=>"Hunter-Gatherer Energetics and Human Obesity", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2012-07-25 00:37:26"}

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Relative Metric

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