Identifying Modifiable Risk Factors in Health Promotion

A 45-year-old male presents to the clinic for a routine physical examination. He has a family history of heart disease and diabetes. The client leads a sedentary lifestyle, reports a diet high in saturated fat and sugar, and has recently gained weight. As the nurse, your role in health promotion and disease prevention involves identifying risk factors that can lead to chronic diseases. Which of the following risk factors is most modifiable for this client?