The effects of a 14-year-old smoking one cigarette just once can vary from person to person, but generally, the immediate and long-term consequences can be understood in a few different categories:
### **Immediate Effects:**
1. **Physical Reactions:**
- Lightheadedness or dizziness, especially if the person is not accustomed to nicotine.
- Increased heart rate and blood pressure.
- Coughing or throat irritation due to inhaling smoke.


