Shuar Health and Life History Project -- Publications

Publications

Published Papers

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, and Sugiyama LS. 2013. Implications of market integration for cardiovascular and metabolic health among an indigenous Amazonian Ecuadorian population. Ann Hum Biol, in press.

Madimenos FC, Snodgrass JJ, Liebert MA, Cepon TJ, and Sugiyama LS. 2012. Reproductive effects on skeletal health in Shuar women of Amazonian Ecuador: A life history perspective. American Journal of Human Biology 24: 841-852. (link to article)

McDade TW, Tallman PS, Madimenos FC, Liebert MA, Cepon TJ, Sugiyama LS, and Snodgrass JJ. 2012. Analysis of variability of high sensitivity C-reactive protein in lowland Ecuador reveals no evidence of chronic low-grade inflammation. American Journal of Human Biology 24: 675-681 (link to article)

Madimenos FC, Snodgrass JJ, Blackwell AB, Liebert MA, and Sugiyama LS. 2011.Physical activity in an indigenous Ecuadorian forager-horticulturalist population as measured using accelerometry. American Journal of Human Biology 23: 488-497.

Madimenos FC, Snodgrass JJ, Blackwell AB, Liebert MA, Cepon TJ, and Sugiyama LS. 2011. Normative calcaneal quantitative ultrasound data for the indigenous Shuar and non-Shuar Colonos of the Ecuadorian Amazon. Archives of Osteoporosis 6: 39-49. (link to article)

Blackwell AD, Gurven MD, Sugiyama LS, Madimenos FC, Liebert MA, Martin MA, Kaplan HS, Snodgrass JJ. 2011. Evidence for a peak shift in a humoral response to helminths: Age profiles of IgE in the Shuar of Ecuador, the Tsimane of Bolivia, and the U.S. NHANES. PLoS Neglected Tropical Diseases 5: e1218.

Blackwell, AD, Snodgrass, JJ., Madimenos, FC. & Sugiyama, LS. 2010 Life history, immune function, and intestinal helminths: trade-offs among immunoglobulin E, C-reactive protein, and growth in an Amazonian population. American Journal of Human Biology 22: 836-848.

Blackwell AD, Pryor III G, Pozo J, Tiwia W, Sugiyama LS. 2009. Growth and market integration in Amazonia: A comparison of growth indicators between Shuar, Shiwiar, and nonindigenous school children. American Journal of Human Biology 21:161-171.

Recent cover of the
American Journal of Human Biology
featuring our research
(Blackwell et al. 2010)

Dissertations

Blackwell AD. 2009. Life History Trade-offs in Growth and Immune Function: The Behavioral and Immunological Ecology of the Shuar of Amazonian Ecuador, an Indigenous Population in the Midst of Rapid Economic and Ecological Change. PhD Dissertation, University of Oregon; Eugene, OR.

Madimenos FC. 2011. Reproductive Trade-Offs in Skeletal Health and Physical Activity among the Indigenous Shuar of Ecuadorian Amazonia: A Life History Approach. PhD Dissertation, University of Oregon; Eugene, OR.

Master's Theses & Papers

Liebert MA. 2010. The implications of varying degrees of market integration on blood pressure, glucose, cholesterol, and triglyceride levels in an indigenous lowland Ecuadorian population. MS Paper, Department of Anthropology, University of Oregon.

Gandolfo TR. 2010. Does variation in accelerometer placement matter for field studies of sleep? A test of methodological standards for Actiwatch use. MS Paper, Department of Anthropology, University of Oregon.

Ridgeway-Diaz J. 2011. Epstein-Barr virus and market integration in the Indigenous Shuar of Ecuadorian Amazonia. MS Paper, Environmental Studies Program, University of Oregon.

Felicia Madimenos receives
her PhD from the University of Oregon, and Julia Ridgeway-Diaz receives her MS degree.

Papers in Preparation

Blackwell AD, Tiwi W, Sugiyama LS. in prep. The effect of family composition on growth varies across ecological circumstances in a lowland Ecuadorian population: Implications for cooperative breeding models in humans.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Sugiyama LS. in prep. Immunoglobulin E, C-reactive protein, and cardiovascular and metabolic health among the indigenous Shuar of Ecuador. Target journal: American Journal of Human Biology

Ridgeway-Díaz JG, Liebert MA, Madimenos FC, Sugiyama LS, Snodgrass JJ. Epstein-Barr virus and psychosocial stress in the Shuar of Ecuadorian Amazonia. Target journal: American Journal of Human Biology.

Sugiyama LS, Liebert MA, Madimenos FC, Blackwell AD, Cepon TJ, Snodgrass JJ. Effects of market integration, diet, indicators of macro-parasitic infection, and inflammation on hemoglobin levels amongst indigenous Shuar from Ecuadorian Amazonia. Target journal: Social Science and Medicine.

Presentations/Published Abstracts

2012

Madimenos FC, Snodgrass JJ, Liebert MA, Cepon TJ, and Sugiyama LS. 2012. The Shuar Health and Life History Project: Lifestyle and dietary correlates of skeletal health among the indigenous Shuar and non-Shuar Colonos of Ecuadorian Amazonia. Am J Phys Anthropol (Supplement) 54: 199-200.

Sugiyama LS, Madimenos FC, Liebert MA, Blackwell AD, Cepon TJ, and Snodgrass JJ. The Shuar Health and Life History Project: Measures of market integration and their effects on health among indigenous Shuar of Ecuadorian Amazonia. Am J Hum Biol 24: 244.

Urlacher SS, Liebert MA, Cepon TJ, Snodgrass JJ, and Sugiyama LS. The Shuar Health and Life History Project: Knemometric assessment of short-term childhood growth in an indigenous Amazonian population. Am J Hum Biol 24: 246.

Liebert MA, Snodgrass JJ, Cepon TJ, Urlacher SS, and Sugiyama LS. The Shuar Health and Life History Project: The relationship between market integration and diurnal salivary cortisol rhythms of children in an indigenous lowland Ecuadorian population. Am J Hum Biol 24: 232.

Cepon TJ, Liebert MA, Urlacher SS, Snodgrass JJ, Madimenos FC, and Sugiyama LS. The Shuar Health and Life History Project: The effects of market integration on intestinal helminth levels among the Shuar of Amazonian Ecuador. Am J Hum Biol 24: 222.

Tallman PS, Madimenos FC, Liebert MA, Cepon TJ, Sugiyama LS, Snodgrass JJ, and McDade TW. The Shuar Health and Life History Project: Somatic symptoms in the Shuar of the Ecuadorian Amazon: 'Idioms of distress', immune dysregulation, or both? Am J Hum Biol 24: 244-245.

Snodgrass JJ. 2012. An evolutionary perspective on culture change and health in the Ecuadorian Amazon. Talk given in the Department of Anthropology, Penn State University.

Graduate student Melissa Liebert presenting a poster
at a recent meeting of the Human Biology Association
in Portland, OR.

2011

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2011. Reproductive trade-offs and bone health among Shuar and Colono females from Amazonian Ecuador. Am J Hum Biol 23: 264.

Cepon TJ, Liebert MA, Madimenos FC, Sugiyama LS, Blackwell AD, Leonard WR, Tarskaia LA, Klimova TM, Krivoshapkin VG, and Snodgrass JJ. 2011. Variation in cardiovascular disease risk in response to market integration in two transitioning populations. Am J Phys Anthropol 144 Suppl: 107.

Blackwell AD, Gurven M, Sugiyama LS, Madimenos FC, Liebert MA, Martin M, Kaplan H, and Snodgrass JJ. 2011. Can higher pathogen prevalence lead to better growth? Epidemiological patterns in growth and immunoglobulin E in two Amazonian populations. Am J Hum Biol 23: 252-253.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, and Sugiyama LS. 2011. The Shuar Health and Life History Project: Immunoglobulin E, C-reactive protein, and cardiovascular and metabolic health among the indigenous Shuar of Ecuador. Am J Hum Biol 23:264.

Ridgeway-Diaz JG, Shattuck-Faegre H, Blackwell AD, Madimenos FC, Liebert MA, Squires EC, Sugiyama LS, and Snodgrass JJ. 2011. The Shuar Health and Life History Project: Epstein-Barr virus and market integration in the indigenous Shuar of Ecuadorian Amazonia. Am J Hum Biol 23: 274.

Rueckert TJ, Snodgrass JJ, Liebert MA, Madimenos FC, Blackwell AD, and Sugiyama LS. 2011. The Shuar Health and Life History Project: Effects of market integration and diet on hemoglobin in two lowland Ecuadorian populations. Am J Hum Biol 23: 275.

Shattuck-Faegre H, Ridgeway-Diaz JG, Blackwell AD, Madimenos FC, Liebert MA, Squires EC, Sugiyama LS, and Snodgrass JJ. 2011. The Shuar Health and Life History Project: Immune pathways and Epstein-Barr virus. Am J Hum Biol 23: 276.

Undergraduate student Heather Shattuck-Faegre (now a graduate student at Harvard) in Josh Snodgrass' Human Biology Research Lab at the Sacred Heart Medical Center

2010

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2010. Female Reproductive history and bone health among female Shuar and Colonos from the Ecuadorian Amazon. Proc AAAS 29(1): 76-77.

Madimenos FC, Cepon TJ, Snodgrass JJ, and Sugiyama LS. 2010. Corroborating accelerometry-based physical activity data with self-report data. Am J Hum Biol 22: 261.

Madimenos FC, Liebert MA, Snodgrass JJ, Blackwell AD, and Sugiyama LS. 2010. A profile of bone health in an Ecuadorian forager-horticulturalist population. Am J Phys Anthropol 141(S50): 160.

Blackwell AD, Snodgrass JJ, Gurven M, Kaplan H, Madimenos FC, Liebert MA, and Sugiyama LS. 2010. Exposure to parasites and development of immune response: age profile of immunoglobulin E (IgE) in the Shuar of Easter Ecuador, the Tsimane of Bolivia, and the U.S. NHANES. Am J Phys Anthropol 141: 68.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, and Sugiyama LS. 2010. The implications of varying degrees of market integration on blood pressure, glucose, cholesterol, and triglyceride levels in an indigenous lowland Ecuadorian population. Am J Hum Biol 22: 260.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, and Sugiyama LS. 2010. The effects of market integration on blood pressure, glucose, cholesterol, and triglyceride levels in an indigenous lowland Ecuadorian population. Proc AAAS 29(1): 77.

Sugiyama LS, Snodgrass JJ, Blackwell AD, Madimenos FC, and Liebert MA. 2010. Effects of diet, household economy, and social stress on growth and health of indigenous Shuar of Ecuadorian Amazonia. Am J Hum Biol 22: 271.

Ridgeway-Diaz JG, Sugiyama LS, Snodgrass JJ, Blackwell AD, Madimenos FC, and Liebert MA. 2010. Effects of diet and household economy on growth and health of indigenous Shuar of Ecuadorian Amazonia. Proc AAAS 29: 77.

2009

Blackwell, AD, Snodgrass, JJ, Madimenos, FC, Cepon, TJ,Gandolfo, TR, and Sugiyama, LS. Trade-offs in immune function and growth in a rural Amazonian village. Am J Hum Biol 21: 247.

Madimenos FC, Snodgrass JJ, Blackwell AD, Cepon TJ, Gandolfo TR, and Sugiyama LS. 2009. Physical activity measured using accelerometry in an indigenous lowland Ecuadorian population. Am J Hum Biol 21: 260.

Gandolfo TR, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, and Sugiyama LS. 2009. Shuar sleep patterns: A preliminary study of sleep duration and quality in an Indigenous Amazonian society. Am J Hum Biol 21: 254.

Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Gandolfo TR, and Sugiyama LS. 2009. Growth and nutritional status in an indigenous lowland Ecuadorian population. Am J Phys Anthropol 138: 243-244.

2008

Blackwell AD, Pryor G, Pozo P, Tiwia W, and Sugiyama LS. 2008. Life history tradeoffs and the growth of Shuar children across diverse ecological conditions. Am J Hum Biol 20: 214-215.

Felicia Madimenos, Tara Cepon, and Aaron Blackwell presenting a poster at the Human Biology Association meeting.

Other Presentations

2011

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Cepon, TJ and Sugiyama LS. 2011. The Shuar health and life history project: Female reproductive history and bone health. Second Annual Graduate Student Research Forum, University of Oregon.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2011. Effects of female reproductive history on bone health among Shuar and Non-Shuar Colonos from Ecuadorian Amazonia. Poster presented at the annual meeting of the Society for Applied Anthropology, Seattle, WA.

Liebert MA, Cepon TJ, Madimenos FC, Sugiyama LS, Blackwell AD, Leonard WR, Tarskaia TM, Klimova LA, Krivoshapkin VG, and Snodgrass JJ. 2011. Variation in cardiovascular disease risk in response to market integration in two diverse populations. Second Annual Graduate Student Research Forum, University of Oregon.

2010

Blackwell AD, Snodgrass JJ, Madimenos FC, Liebert MA, and Sugiyama LS. 2010. Parasite transmission, resource competition, and life history allocations: the effects of family composition on the growth and immune function of Shuar children. Presentation at the annual meeting of the Human Behavior and Evolution Society (HBES). Eugene, OR.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2010. Life history trade-offs between bone health and female reproductive history among the indigenous Shuar and Colonos from the Ecuadorian Amazon. Presentation at the joint meeting of the Alliance of Latin American Biologists-Human Biology Association (ALAB-HBA). Bogota, Colombia.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2010. Female reproduction history and bone health among Shuar and Colonos from the Ecuadorian Amazon: a life history theory perspective. Presentation at the annual meeting of the Human Behavior and Evolution Society (HBES). Eugene, OR.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, and Sugiyama LS. 2010. Reproductive status and energy dynamics in an indigenous Ecuadorian forager-horticulturalist population. Poster presented at the annual meeting of the Human Behavior and Evolution Society (HBES), Eugene, OR.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, and Sugiyama LS. 2010. Market integration, evolutionary mismatches, and the emergence of hypertension, high cholesterol and type 2 diabetes among indigenous Shuar of neo-tropical Ecuador. Poster presented at the annual meeting of the Human Behavior and Evolution Society (HBES), Eugene, OR.

Rueckert TJ, Snodgrass JJ, Madimenos FC, Blackwell AD, Liebert MC, and Sugiyama LS. 2010. Effects of household ecology and market integration on Shuar nutritional status and hemoglobin (Hb) in an indigenous lowland Ecuadorian population. Poster presented at the annual meeting of the Human Behavior and Evolution Society (HBES), Eugene, OR.

Sugiyama LS, Snodgrass JJ, Liebert MA, Blackwell AD, Madimenos FC, and Ridgeway-Diaz JG. 2010. Effects of diet and household economy on growth and health of indigenous Shuar of Ecuadorian Amazonia. Presentation at the joint meeting of the Alliance of Latin American Biologists-Human Biology Association (ALAB-HBA). Bogota, Colombia.

2009

Madimenos FC, Snodgrass JJ, Blackwell AD, Cepon TJ, Gandolfo TR, Liebert MA, and Sugiyama LS. 2009. Energetics and novel environments: Physical activity using accelerometry in an indigenous lowland Ecuadorian population. Presentation at the annual meeting of the Northwest Anthropological Conference (NWAC). Newport, OR.

Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ, Gandolfo TR, and Sugiyama LS. 2009. Are quantity-quality tradeoffs reflected in the immune function of human children? An analysis of immune function, illness frequency, and family composition in a Shuar village. Presentation at annual meeting of the Human Behavior and Evolution Society (HBES). Fullerton, CA.

Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ, Gandolfo TR, Liebert MA and Sugiyama LS. 2009. An analysis of the relationship between chronic stress, inflammation, and growth outcomes in Ecuadorian Shuar children. Presenation at the annual meeting of the Northwest Anthropological Conference (NWAC). Newport, OR.

Sugiyama LS, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Gandolfo TR, and Liebert MA. 2009. Growth and nutritional status in an indigenous lowland Ecuadorian population. Presentation at the annual meeting of the Human Behavior and Evolution Society (HBES). Fullerton, CA.

Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ,Gandolfo TR, and Sugiyama LS. 2009. Are quantity-quality trade-offs reflected in the immune function of human children? Presentation at the annual meeting of the Human Behavior and Evolution Society (HBES). Fullerton, CA.

Sugiyama LS, Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ, Gandolfo TR, and Liebert, MA. Growth, nutritional status, and health in an indigenous lowland Ecuadorian population: Effects of market integration and household ecology. Human Behavior and Evolution (HBES). Fullerton, CA.

Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ, Gandolfo TR, and Sugiyama LS. An analysis of the relationship between chronic stress, inflammation, and growth outcomes in Ecuadorian Shuar children. Presentation at the Annual Meeting of the Northwest Anthropological Conference. Newport, OR.

2008

Sugiyama LS and Blackwell AD. 2008. Life history, body morphology and health in a natural fertility population: Implications for (sexual) attractiveness assessment psychology. Presentation at the annual meeting of the Human Behavior and Evolution Society. Kyoto, Japan.

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Comments or questions? Contact Josh Snodgrass.