University of North Dakota Faculty/Staff Newsletter

Participants sought for studies at the Human Nutrition Research Center

Participants are sought for the following studies at the Human Nutrition Research Center.

The Glycemic Effects of Honey Study
We invite you to join a study that compares the effect of honey, high fructose corn, and sugar on blood sugar.

• An 11-15 week study
• Men and women between 20-80 years of age.
• Normal to obese body weight (BMI 18-39.9)
• Normal and Impaired Glucose Tolerance Participants
• Finger stick fasting glucose less than 125 milligram per deciliter
• Willingness to comply with the demands of the experimental protocol
• Sedentary Lifestyle
• Do not have diabetes mellitus or uncontrolled medical problem
(including blood pressures of >160/110)
• Do not take medications that affect glucose metabolism
• Do not have or have had an eating disorder
• Are not pregnant or breast feeding

Lifestyle Weight Control and Potato Consumption Study
We invite you to join a study to evaluate the role of potato consumption in a lifestyle weight control program.

• An 8 week study
• Men and women between 20-65 years of age
• Overweight or obese (BMI 25-39.0)
• Nonsmoker
• Free of major medical conditions and eating disorders
• May not be pregnant or lactating
• Willingness to comply with the demands of the experimental protocol

These elements are required of you in the study:

• Complete a 3 day dietary records
• Attend 8 weekly dietitian led group weight-loss classes
• Consume one potato or alternate starch dish daily prepared by the
Human Nutrition Research Center kitchen
• Follow prescribed energy restriction and physical activity regimen

Biological Assessment of Satiety
We invite you to join a study to develop a method to assess the satiety of certain food items correlated with questionnaire responses and gut hormone levels.

• Men and women between 25-45 years of age
• Normal body weight to overweight (18-29.9 kg/m2)
• Medical History demonstrating good health
• Willingness to comply with the demands of the experimental protocol
• Do not have an uncontrolled medical problem
(including blood pressure of >160/110)
• May not be pregnant or lactating
• May not exhibit an eating disorder

What is required of me for this Study?

• Complete a 3 day dietary record prior to admission
• Not exercise for 48 hours prior to testing
• 3 overnight stays at the center with a 5 hour testing period
• Consume given food items at requested times

Blood Cell Responses to Exercise
We invite you to join a study to determine how platelets (blood cells that form clots) respond when a person performs an initial period of moderate exercise.

• Men and women between 30-60 years of age
• Overweight or obese (BMI 25-39.9)
• Nonsmoker
• Free of major medical conditions
• Not taking medications affecting lipid metabolism (simvastin, etc.)
• No current use of n-3 supplements (fish or flax oil)
• May not be pregnant or lactating
• Willingness to comply with the demands of the experimental protocol

What is required of me for this Study?
• 5 visits to the Center
• Two 24 hour urine collections
• Consume standard meal prior to testing
• 25 minute increments of exercise on a cycle ergometer

The Breathe Light Study
We invite you to participate in a study to develop a novel, non‐invasive method that will provide personalized feedback during weight loss. This study requires 2 separate 14‐day trials at the Grand Forks Human Nutrition Research Center. Each trial involves a pre study visit, 3 days of outpatient visits and an 11 day in house stay. You will be allowed to leave on a limited basis on all but 4 days.

To participate: You must be at least 18—65 years old, overweight or obese, free of major medical conditions (such as diabetes), no food allergies, have not had any gastrointestinal surgery, not pregnant or trying to become pregnant. You must be able to stay at the Grand Forks Human Nutrition Research Center for 11 days on 2 separate occasions. You must be willing to comply with study protocol. Other requirements may apply.

You can apply online and find out more information at: www.ars.usda.gov/npa/gfhnrc. If you have more questions, please call 701.795.8396 or email recruit@gfhnrc.ars.usda.gov.