Purpose of this study: To examine how cellular processes related to aging may influence a person’s response to exercise, including changes in muscle size, muscle strength, and your body’s response to dietary carbohydrates. Target population: Men and women, 65 years or older Inclusion criteria: • Age ˃ 65 • Not currently engaged in regular physical activity (sedentary) • Have some difficulty with daily activities • Willing to be randomized into either the health education or exercise intervention program • Willing to be transported or transport themselves to the HNRCA for intervention and assessments Major exclusions: • Currently using an anti-coagulant or anti-platelet therapy • Lidocaine allergy • Acute or terminal illness • Type 1 diabetes • Type 2 diabetes with Insulin use Length of study: • Approximately 24 weeks Payment: • Up to $1000 for participants who qualify and complete the entire study. Call: show contact info and request Study # 3195