Questions to Ask Your Doctor How can I quit smoking? Are my blood pressure and cholesterol at healthy levels? How much physical activity do I need? What should I do to improve my diet? Should I get tested for HIV? How can I tell if I'm depressed? Should I be concerned about my drinking? Should I get a colonoscopy or other cancer screening? Should I get a flu shot this year? Do my children need to be tested for lead poisoning? What steps should I take to have a healthy baby? What other preventive care do I need?