- Must be male and self-reported American Indian; Reside in or near Colville tribe; ages 21-65, A BMI ≥25 kg/m2 and/or a waist circumference >90 cm for men; no prior diabetes diagnosis; No history of heart disease, serious illness, cancer diagnosis in the last five years, or other conditions that may impede or prohibit participation; and, willingness to consent to randomization