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ii DEDICATION This work is dedicated to my late father-in-law, Isack Kaburia M'Nkanata. iii ACKNOWLEDGEMENTS I would like to express my gratefulness to a number of entities for their contribution to the success of this work but before that, I want to thank Dr. Jackin Nanua and Linda Warmsley for facilitating my entry into the LSU graduate school. Then(More)
In rats, dietary protein is known to influence brain tryptophan (TRP) concentrations and serotonin (5HT) synthesis. However, few studies have examined this relationship in primates (including humans). We therefore studied the effect in monkeys of changes in chronic protein intake on plasma and cerebrospinal fluid (CSF) concentrations of TRP and(More)
Establishment of lactation has important biological and emotional health consequences for the newborn. Even so, substantial variation within a culture and among different cultures is seen in the onset of breastfeeding. Parametric mixture models are used to explore this variation and to uncover general human patterns for the initiation of breastfeeding. The(More)
Hormonal changes that occur before or during parturition are known to trigger early postpartum maternal behaviors in many mammals. In humans, little evidence has been found for hormonal mediation of early postpartum maternal behavior. In this paper, we investigate associations between fetoplacental hormone concentrations in late pregnancy on the time from(More)
The American Cancer Society predicts that 1,665,540 people will be diagnosed with cancer, and 585,720 people will die from cancer in 2014. One of the most common types of cancer in the United States is skin cancer. Melanoma alone is predicted to account for 10,000 of the cancer related deaths in 2014. As a highly mobile and aggressive form of cancer,(More)
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