**Core Concept**
Primary prevention of coronary artery disease (CAD) focuses on preventing the development of risk factors that contribute to the disease, such as hypertension, hyperlipidemia, and diabetes mellitus. This involves lifestyle modifications and interventions aimed at reducing the incidence of these risk factors.

**Why the Correct Answer is Right**
The primary prevention of CAD involves addressing modifiable risk factors through a combination of pharmacological and non-pharmacological interventions. This includes lifestyle modifications such as a healthy diet, regular physical activity, and smoking cessation, as well as pharmacological interventions like statins for hyperlipidemia and antihypertensive agents for hypertension. The goal is to prevent the development of these risk factors, thereby reducing the incidence of CAD.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not relevant to the primary prevention of CAD.
**Option B:** Secondary prevention of CAD involves identifying and managing individuals who already have the disease or are at high risk of developing it, rather than preventing the development of risk factors.
**Option C:** Tertiary prevention of CAD involves preventing further complications and improving quality of life for individuals with established CAD, rather than preventing the development of risk factors.

**Clinical Pearl / High-Yield Fact**
The primary prevention of CAD is a critical public health measure, as it can reduce the incidence of this leading cause of morbidity and mortality worldwide.

**Correct Answer: B. Secondary prevention of coronary artery disease (CAD) involves identifying and managing individuals who already have the disease or are at high risk of developing it, rather than preventing the development of risk factors.