The Hormonal and Behavioral Impact of Eating Breakfast

USDA, Western Human Nutrition Research Center120 enrolled

Overview

This study is exploring the relationship between food intake behavior and the hypothalamic-pituitary axis (HPA) in women who regularly skip breakfast compared to women who regularly eat breakfast.

Healthy women will be studies in a cross-sectional fashion to examine the metabolic, hormonal and behavioral factors associated with breakfast skipping.

Study Type

OBSERVATIONAL

Enrollment

120

Conditions

Eating Behavior

Eligibility

Sex: FEMALEMin age: 20 YearsMax age: 45 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Pre-menopausal women (as determined by self-report of menstrual history and confirmation with plasma FSH) * 20 to 45 years old, * BMI less than 40 kg/m2 * Stable body weight (fluctuation of less than ± 3%) for past 3 months. * Breakfast eaters: defined as eating at least 15% of total daily energy intake at a meal between 0400-1000 h at least 6 days/week. * Breakfast skippers: defined as eating no foods or beverages between 0400-1000h at least 4 days/week or only taking beverages (no solid food) containing less than \~100 kcal. Exclusion Criteria: * Erratic/intermittent breakfast eating * Currently pregnant or lactating * Shift workers/diagnosed sleep disorders * Use of tobacco products * Use of non-prescription drugs/hormone replacement/steroid-based medications * Diagnosed endocrine, metabolic, or digestive disorder * Hemoglobin \<11 g/dl * Plasma Glucose \>120 mg/dl

Locations (1)

Western Human Nutrition Center, University of California Davis

Davis, California, United States

Outcomes

Primary Outcomes

Food Intake Behavior

The goal is to explore the relationship between food intake behavior and the hypothalamic-pituitary axis (HPA) in a group of women who regularly skip breakfast and in another group of women who regularly eat breakfast.

Time frame: week 6

Secondary Outcomes

Markers of nutrient metabolism

Blood glucose, insulin, lipids, and metabolic hormones will be measured.

Time frame: week 6

Data from ClinicalTrials.gov

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