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Conclusions

In document Thesis (Page 65-74)

Much of the literature supports Larsen (1995)’s claim that agriculture had a negative

impact on human skeletal and overall health. However there are other studies that have found

that, in some areas, while agriculture plays a direct role in the decline of health, it is not

necessarily exclusive. Larsen et al. (2007) showed that in Georgia and Florida there was a shift

from foraging to farming that was accompanied by a decline in health and a change in lifestyle.

This change in health was related to the dietary change and nutritional decline but was also

affected by population size and density (Larsen et al., 2007). Whenever the populations

increased, skeletal morbidity increased, suggesting that an increase in population was also

important and that an emphasis on agriculture was not the only factor determining health (Larsen

et al., 2007). It is important to clarify that populations did not simply shift completely from a

nonagricultural subsistence system to an agricultural society. Most populations kept a mixed

economy of subsistence, utilizing all available resources even if some resources were utilized

more than others over time.

The addition of skeletal data in debates about the subsistence of past populations is

imperative. Archaeological excavations collecting botanical and faunal remains, while important

for the conversation about subsistence and diet, also tend to be biased on what is available in the

archaeological record, which is heavily influenced by the methods and tools of the excavation.

The data from these excavations provide a description of what is left to be seen, but not

necessarily an accurate depiction of how human health was impacted by what was being

The skeletal remains from Town Creek suggest a similar pattern to the botanical and

faunal remains found. The individuals of the Town Creek sample show signs of dental health that

are common in agricultural societies. New excavations are happening soon that will provide

more botanical and faunal remains to contribute to this discussion (Hutchinson, personal

communication, March 2014). It could also be indicative of the large population contributing to

decreased overall health. The archaeological record suggests a large population at Town Creek

from 1200 to 1400, and Larsen et al. (2007) has shown how an overall health decline can be

influenced by population size.

The sample from Forbush Creek shows some signs of being an agricultural society, with

certain dental and cranial pathologies suggesting a diet high in carbohydrates and lacking animal

products. The results at Forbush Creek show a possible lack of meat and animal products in the

diets of individuals or an inability to digest the nutrients in the diet. These patterns could be the

result of a predominantly agricultural subsistence. However, a majority of the health indicators

studied show lower frequencies which could suggest a mixed economy with a majority of

individuals that would limit the cases of anterior carious lesions, alveolar infection, premortem

tooth loss and scurvy. Forbush Creek is an earlier site, where corn was possibly not introduced

until the last 50 to 100 years of occupation. This could mean a low agricultural diet because of its

late introduction into the occupational period. The absence of analysis of botanical and faunal

remains from Forbush Creek makes any further assumptions difficult.

The results of this study do not suggest a large decline in nutritional and dietary health as

a result of European contact. The presence of infectious disease from Europe caused a population

decline, which created mobile populations among the indigenous communities. However, the

may have reduced the nutritional strain on the indigenous populations. According to the results

of this study, the nutritional and dietary health improved from the Middle sample to the Late

sample. This could be as a result of a decrease in agriculture, as it would have been difficult to

maintain an agricultural subsistence in mobile environments. Decreases in agriculture would

mean a return to a more mixed economy of subsistence, with possibly more reliance on hunting

and gathering.

For this study, some of the results are in opposition to the archaeological record of

botanical and faunal remains. The presence of porotic hyperostosis and scurvy show deficiencies

in the diet even in populations that have records of plenty of animal products or foods rich in

folic acid and vitamin C. These results could be conclusive of possible cultural practices where

certain individuals in the populations have restricted diets. The presence of botanicals such as

maize and of faunal remains such as deer does not necessarily mean that all individuals have

equal access to these resources, either by status, preference or other cultural reasons. Females in

most of the sample showed higher percentages of porotic hyperostosis and cribra orbitalia. These

two conditions may be indicative of diets low in meat or other animal products. In some

societies, there are dietary restrictions that limit the amount of meat consumed for women who

are pregnant and breastfeeding. This pattern of higher instances in the female sample is

suggestive of possible cultural taboos in these communities. Males had higher cases of scurvy. A

possible reasoning for this dietary deficiency is a limit of fruits and vegetation in the diet of men

who are spending their time hunting and away from the rest of the population. While we know

that fruits and foods rich in vitamin C were present at the sites, we do not know the consumption

Overall, the results show that the sample populations that most likely relied on a more

mixed economy (the Early and Late period) had the lower frequencies of individuals affected by

dental and cranial pathologies and that the Middle period, with a more established and dominant

agricultural subsistence had the higher frequencies of individuals affected by nutritional

pathologies. This conclusion is consistent with the predicted frequencies in relation to the

cultural and biological context of the sample populations used in the study. I hope this work has

contributed to the understanding of the nutrition and health in the North Carolina piedmont

populations and the effects that agriculture and European contact had on these indigenous

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Appendix I: Data Collection Codebook

In document Thesis (Page 65-74)

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