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Full-Text Articles in Medicine and Health Sciences

Effect Of Total Body Iron On Metabolic Dysfunction Among U.S. Females In The Nhanes 2003-2010, Aged 12-49., Joseph Michael Carhart Dec 2017

Effect Of Total Body Iron On Metabolic Dysfunction Among U.S. Females In The Nhanes 2003-2010, Aged 12-49., Joseph Michael Carhart

Electronic Theses and Dissertations

Experimental and epidemiological studies have reported positive associations between iron parameters and metabolic dysfunction including: Type 2 diabetes mellitus (T2DM) (1-6), metabolic syndrome (7-15), non-alcoholic fatty liver disease (NAFLD) (16-22) and insulin resistance (23,24) with a number of studies showing that reductions in total body iron via dietary modification (e.g., reducing red meat intake) or phlebotomy lead to increases in insulin sensitivity (25), decreases in insulin resistance (26), and reductions in the prevalence of complications associated with T2DM (5, 27), metabolic syndrome (28) and NAFLD (22, 29). Moreover, the risk associated with these outcomes and total body iron differ between …


Moving Mountains : A Study Examining Long-Term Impacts Of Mountaintop Removal Coal Mining On Mortality In The Appalachian Region Using Geographic Information Sciences Techniques., James Howard Kent Pugh Dec 2017

Moving Mountains : A Study Examining Long-Term Impacts Of Mountaintop Removal Coal Mining On Mortality In The Appalachian Region Using Geographic Information Sciences Techniques., James Howard Kent Pugh

Electronic Theses and Dissertations

Over the last hundred years, the Appalachian region has been dominated by the coal industry. It has also been and currently is one of the unhealthiest regions in the United States. Recent scholarship has examined the relationship between coal mining and health and mortality rates in the Appalachian region. The first study incorporates air quality and pollution data to examine if coal mining counties have higher levels of pollution and if this pollution contributes to mortality disadvantage. In the second study, I construct a population-based coal-exposure measure to better evaluate the relationship between coal mining and health I find that …


Coal Ash Exposure And Asthma In Children., Jack Anthony Pfeiffer Aug 2017

Coal Ash Exposure And Asthma In Children., Jack Anthony Pfeiffer

Electronic Theses and Dissertations

This study examined the association between exposure to coal ash in the home among children aged 6-14 and asthma. Data was collected using personal modular impactors, lift tape samples, toe/finger nail samples, questionnaires, and peak flow meters. Laboratory methods used to analyze the samples included gravimetric analysis, scanning electron microscopy (SEM) / energy dispersive x-ray (EDX), and proton-induced x-ray emission (PIXE). Statistical methods used to analyze the data included the Chi Square Test of Independence, logistic regression, the Hosmer-Lemeshow Goodness of Fit test, Fisher’s Exact Test, and the Anderson-Darling Normality Test. Sample size was small, making statistical significance in calculated …


The Effect Of Caffeine On Fecundability : Differences In Coffee, Tea, And Cola Consumption., Emily Kathleen Steinmetz May 2017

The Effect Of Caffeine On Fecundability : Differences In Coffee, Tea, And Cola Consumption., Emily Kathleen Steinmetz

Electronic Theses and Dissertations

This study examined whether intake of caffeinated beverages (coffee, tea, and cola) was associated with fecundability (time to pregnancy) in a prospective cohort study. Data from 470 women from the Mount Sinai Study of Women Office Workers (1990-1994) were analyzed. Intake of coffee, tea, cola, and other variables were recorded in daily diaries and calculated as menstrual cycle level means for up to 20 cycles. Pregnancy was assayed using hCG and confirmed by physician diagnosis. The associations of caffeinated beverages with the probability of becoming pregnant during a given cycle were determined using discrete survival analysis, adjusted for potential confounders. …


The Particulars About Particulates : Metal Exposure And Self-Regulation Of Children Living Near Coal Ash., Clara G. Sears May 2017

The Particulars About Particulates : Metal Exposure And Self-Regulation Of Children Living Near Coal Ash., Clara G. Sears

Electronic Theses and Dissertations

The use of coal combustion for electricity and the storage of coal combustion by-products known as coal ash occur across the United States and around the world. The most abundant type of coal ash, fly ash, contains small particles with metals, some of which are known neurotoxins. Fly ash is currently stored in open-air landfills and surface impoundments that allow fugitive dust to escape into surrounding communities, potentially exposing children to small neurotoxic particles. This dissertation uses preliminary data from a larger cross-sectional study to investigate the relationship between particulate matter exposure, metal exposure, and problems with self-regulation. Recruitment of …


Pediatric Anxiety And/Or Depression Problems : Associations With Pm10, Fly Ash, And Metal Exposure., Abby Nicole Burns Hagemeyer May 2017

Pediatric Anxiety And/Or Depression Problems : Associations With Pm10, Fly Ash, And Metal Exposure., Abby Nicole Burns Hagemeyer

Electronic Theses and Dissertations

Background: In the last several decades, the use of coal has become more prevalent in turn increasing the amount of coal ash being produced. Coal ash, the by-product of coal combustion, is composed of small particles that contain essential elements, hazardous metals, polycyclic aromatic hydrocarbons, and radioactive material. While a small proportion of coal ash is reused, the majority gets discarded in open-air landfills and ash ponds. Fly ash, the major component of coal ash, can become emitted into the air and potentially contribute to the air pollution and metal exposure in the surrounding community. Few studies, particularly in the …


Prenatal Depression Screening Among A Diverse Healthy Start Population., Evangeline Pierce May 2017

Prenatal Depression Screening Among A Diverse Healthy Start Population., Evangeline Pierce

Electronic Theses and Dissertations

Prenatal depression has been associated with adverse outcomes for both pregnant women and infants. Data was studied from Healthy Start (n=1093). Healthy Start participants were screened for depression using the Edinburgh Postnatal Depression Scale (EPDS) during pregnancy. Data reported included birthweight, gestational length, ethnicity, and sociodemographic variables. No statistically significant association was found between a positive EPDS screen and birthweight-low/normal (OR 1.02 [95% CI 0.53, 1.70]), birthweight-abnormal (OR 1.02 [95% CI 0.53, 1.70], or gestation-preterm/term (OR 1.29 [95% CI 0.68, 2.45]). An association was observed between a positive screen and race, ethnicity by region of origin, immigrant status, English as …