ACTIV- Exercise Intervention in Healthy Young Men

Inclusion Criteria: T2DM group: * Men aged 25-35 * BMI \> 30 kg/m2 * Sedentary lifestyle determined by activity index questionnaire (not involved in regular exercise program) and accelerometer data. * Are willing to eat only foods provided by Pennington for the study period * Diagnosed with T2DM defined by one or more of the following: * fasting plasma glucose \> 126 mg/dL at entry * a two-hour OGTT glucose \> 200mg/dL * current medication for T2DM Obese group: * Men aged 25-35 * BMI \> 30 kg/m2 * Sedentary lifestyle activity index questionnaire (not involved in regular exercise program) and accelerometer data. * Are willing to eat only foods provided by Pennington for the study period FH+ group: * Men aged 25-35 * One parent diagnosed with T2DM * fasting insulin \> 10mIU/ml (\> 50th %tile) * BMI between 22 and 30 kg/m2 * Sedentary lifestyle activity index questionnaire (not involved in regular exercise program) and accelerometer data. * Are willing to exercise every day for the study period * Are willing to eat only foods provided by Pennington for the study period FH- group: * Men aged 25-35 * Parents and grandparents were not diagnosed with T2DM * Fasting insulin \< 10mIU/ml (\< 50th %tile) * BMI between 22 and 30 kg/m2 * Sedentary lifestyle activity index questionnaire (not involved in regular exercise program) and accelerometer data. * Are willing to exercise for the study period * Are willing to eat only foods provided by Pennington for the study period …