**Core Concept**
The question is testing the knowledge of strategies to reduce mortality due to Coronary Heart Disease (CHD). This involves understanding the pathophysiology of CHD, risk factors, and evidence-based interventions to prevent and manage the disease.

**Why the Correct Answer is Right**
The correct answer is lifestyle modification and pharmacological management of risk factors. This includes smoking cessation, dietary changes (e.g., reducing saturated fats and increasing omega-3 fatty acids), regular physical activity, stress management, and pharmacological interventions such as statins, beta-blockers, and ACE inhibitors to manage hypertension and hyperlipidemia. These measures can help reduce the risk of cardiovascular events and mortality in patients with CHD.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not specifically target the reduction of mortality due to CHD.
**Option B:** This option is incorrect as it is too broad and does not address the specific needs of patients with CHD.
**Option C:** This option is incorrect as it may not be the most effective strategy for reducing mortality due to CHD.

**Clinical Pearl / High-Yield Fact**
The Framingham Heart Study has shown that a combination of lifestyle modifications and pharmacological management of risk factors can reduce the risk of cardiovascular events by up to 50%. This highlights the importance of a multifaceted approach to managing CHD.

**Correct Answer:** D.