Cigarette smoking increases the risk of

Options

A. jaundice
B. emphysema
C. SARS
D. pneumonia

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks us to identify which disease is increased in risk due to cigarette smoking among the options provided: jaundice, emphysema, SARS, and pneumonia.

2. **Analyzing Each Option**:
- **Jaundice**: This condition is related to the liver and is caused by the buildup of bilirubin due to liver issues or bile duct obstruction. It is not directly related to smoking.
- **Emphysema**: This is a lung disorder characterized by damage to the alveoli (air sacs) in the lungs, leading to breathing difficulties. It is directly linked to cigarette smoking.
- **SARS (Severe Acute Respiratory Syndrome)**: This is a viral respiratory illness caused by the SARS-associated coronavirus. It is not caused by smoking.
- **Pneumonia**: This is an infection that inflames the air sacs in one or both lungs. While smoking can weaken the immune system, pneumonia itself is not directly caused by smoking.

3. **Identifying the Correct Answer**: After analyzing each option, we find that emphysema is the disease that is directly caused by cigarette smoking. Therefore, the correct answer is emphysema.

### Final Answer:
Cigarette smoking increases the risk of **emphysema**.

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