Master of Science

December 13, 2013

A comparison of the effect of consuming a fructose-, glucose-, or aspartame-sweetened beverage on ad libitum caloric intake

The per capita consumption of sugar-sweetened beverages (SSB) has increased in tandem with the obesity epidemic. While many epidemiological and clinical studies have shown a positive association between consumption of SSB and increased risk of weight gain, the exact mechanism by which the consumption of SSB leads to weight gain remains unclear. The purpose of…

Predictors of Responsiveness to Vitamin D Supplementation and Outcomes Assessment in Patients Undergoing Roux-en-Y Gastric Bypass Surgery

Vitamin D is one of the most common micronutrient deficiencies in the obese population awaiting Roux-en-Y gastric bypass (RYGB) surgery and often persists post-operatively despite routinely recommended supplementation, suggesting there may be variable response to this supplementation. However, there are no established indicators that allow clinicians to identify the non-responders, and factors contributing to poor…

Plasma 25-hydroxyvitamin D3 response to vitamin D supplementation in obese and non-obese men and women

Obese adults are more susceptible to poor vitamin D status and response to supplementation than lean adults, but explanatory mechanisms remain unclear. Proposed hypotheses include increased degradation or adipose tissue sequestration of vitamin D. The purpose of this study was to investigate how plasma 25-hydroxyvitamin D3 [25(OH)D3] concentrations respond to vitamin D repletion relative to changes…

October 31, 2013

Female Athlete Triad

Outpatient Nutritional Counseling for a Roux en Y Gastric Bypass Patient

Nutrition Support of a 30-Week Preterm Infant with Severe Intrauterine Growth Restriction in the Neonatal Intensive Care Unit

An Olympic Pole Vaulter’s 50-Year Journey through Nutrition Support

Multiple Gun Shot Wounds to the Abdomen

August 23, 2013

Obtaining nutritional information for dietary assessment

Accurate dietary assessment is the foundation for determining nutritional status in individuals for clinical practice and in the population for public health. Proper dietary assessment depends on the type of assessment tool used (e.g. food frequency questionnaire (FFQ), food record, etc.) as well as accurate food composition data. The latter factor is less studied and…

Metabolism of Plant Lignans by Human Intestinal Bacteria

Dietary plant lignans have been implicated in the prevention of several chronic diseases including breast cancer, colon cancer, and cardiovascular disease. Plant lignans can be converted to the physiologically active enterolignans enterodiol and enterolactone by anaerobic bacteria residing in the intestine. Significant interindividual variation has been observed regarding the ability of intestinal bacterial communities to…

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