Exercise and Weight Control

Exercise and Weight Control: A Search for Biological and Neurobehavioral Compensatory Mechanisms That Defend Against Exercise-Induced Negative Energy Balance

The purpose of this study is to research the effects of exercise on calories eaten and expended. The investigator expects to find out whether subjects change their eating and activity behaviors when starting an exercise program.

Inclusion Criteria:

• 18 to 40 years old
• BMI of 25.0 - 35 kg/m2
• willing to consent to study conditions
• not taking medications that affects energy expenditure or eating
• not using tobacco or nicotine products
• no food allergies or limitations to eating certain food that would prohibit them from eating the study foods
• not be dieting to lose weight
• no major health problems
• cannot have known cardiovascular, pulmonary or metabolic disease
• cannot be regularly exercising in an aerobic manner more than twice per week
• must have a liking of at least 5 out of 10 for 75% of the study foods

Exclusion Criteria:

• < 18 or > 40 years old
• BMI < 25 or >35 kg/m2
• currently pregnant or trying to become pregnant, or lactating
• currently using tobacco or nicotine
• taking medication that affects energy expenditure or eating
• food allergies to foods used in the study
• regularly exercising in an aerobic manner more than twice per week
• major health problems