A nurse is obtaining a health history from a client. Which of the following findings should the nurse identify as a non-modifiable risk factor for disease?

A. Sunbathing is a modifiable behavior that increases the risk for skin cancer and can be changed. B. An unhealthy diet is a lifestyle factor that can be modified through education and support. C. Smoking is a modifiable risk factor that the client can choose to stop. D. Genetics is a non-modifiable risk factor, as individuals cannot change their inherited genetic traits.