All the following are associated with increased risk of coronary hea disease except
**Core Concept**
The underlying principle being tested is the identification of risk factors for **coronary heart disease (CHD)**, which involves the narrowing or blockage of coronary arteries due to **atherosclerosis**. Key risk factors include **hypertension**, **hyperlipidemia**, and **diabetes mellitus**.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss a common incorrect option. For instance, if option A was "increased physical activity", it would be incorrect because regular physical activity is known to reduce the risk of CHD by improving **lipid profiles**, lowering **blood pressure**, and enhancing **insulin sensitivity**.
**Why Each Wrong Option is Incorrect**
**Option A:** Would be incorrect if it stated a known risk factor such as **smoking** or **family history of CHD**.
**Option B:** Similarly, if it mentioned **obesity**, it would be wrong because obesity is linked to an increased risk of CHD.
**Option C:** If this option mentioned **stress**, it could be considered incorrect as chronic stress can contribute to the development of CHD.
**Clinical Pearl / High-Yield Fact**
A crucial point to remember is that **modifiable risk factors** such as **diet**, **physical activity**, and **smoking cessation** can significantly reduce an individual's risk of developing CHD.
**Correct Answer:** Not provided in the query.