While waiting for a prescription to be filled, Datt decides to measure his blood pressure using the automated machine in the pharmacy. His blood pressure reading is 140 over 92 millimeters of mercury. He knows he has a few pounds to lose but has never known his blood pressure. Before returning home, he goes to a fast-food restaurant and enjoys a cheeseburger and fries. At home, Datt tells his wife, Fatima, about his findings and waits for her response. Let's see if you know as much as Fatima about the implications of blood pressure. What is the main risk factor linked to hypertension?
A. Sodium intake
B. High calcium intake
C. Drinking alcohol
D. Exercising only twice per week
E. Obesity