Final answer:
The key lifestyle change for preventing atherosclerosis in a patient with high blood lipid levels is to quit smoking, as it is a major risk factor for the development of cardiovascular disease.
Step-by-step explanation:
The most important lifestyle modification to stress for a 65-year-old male patient with high blood lipid levels and at risk for atherosclerosis is a. Quit smoking. Smoking is a well-documented risk factor for atherosclerosis and cardiovascular disease, significantly contributing to the buildup of fatty plaques in the arteries. In addition, lifestyle changes such as a healthy diet, regular exercise, and proper medication can help manage high blood lipids and reduce the risk of cardiovascular disease progression.Smoking is a major risk factor for cardiovascular disease, including atherosclerosis. It can contribute to the buildup of plaque in the arteries and increase the risk of heart attacks and strokes.