Identifying Critical Risk Factors in Health Promotion

A 52-year-old male comes to the clinic for a routine check-up. He reports a sedentary lifestyle and has a body mass index (BMI) of 32. He has a family history of hypertension and type 2 diabetes. During the assessment, the nurse identifies that the patient smokes half a pack of cigarettes daily and consumes a diet high in processed foods. Based on these findings, which of the following risk factors is most critical for the nurse to address with the patient in terms of health promotion and disease prevention?