Which of the following is the ill -effect of smoking?

Options

A. psychological stress
B. reduces immunity
C. coronary diseases
D. Both b and c

Answer

To answer the question regarding the ill effects of smoking, we can break down the information as follows:

### Step-by-Step Solution:

1. **Understanding the Ill Effects of Smoking**: Smoking is known to have numerous adverse effects on health. It is essential to identify which of the given options pertain to these ill effects.

2. **Option Analysis**:
- **Psychological Stress**: The transcript mentions that smoking does not cause psychological stress. Therefore, this option is incorrect.
- **Reduced Immunity**: The transcript states that smoking reduces immunity. This is a well-documented effect of smoking, making this option correct.
- **Coronary Diseases (CAD)**: The transcript explains that smoking can lead to coronary artery diseases (CAD), which involve the narrowing of coronary arteries and increase the risk of heart attacks. This option is also correct.

3. **Conclusion**: Based on the analysis, the ill effects of smoking include:
- Reduced immunity
- Coronary artery diseases (CAD)

4. **Final Answer**: Therefore, the correct options indicating the ill effects of smoking are B (Reduced Immunity) and C (Coronary Diseases).