A 52 year-old has chest pain as the main complaint. He has a sedentary life-style and is a smoker. He has a history of slight chest pain that is worse with physical exertion. His mother died at age 70 from a heart attack. There is no history of diabetes, hypertension, or high cholesterol. He also complains of fatigue. He is not on any medication for the chest pain. The physical exam was normal. Which action would you take?