We should avoid taking medicines/drugs unless prescribed by a doctor. Give reasons.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Risks of Self-Medication:**
- Taking medicines or drugs without a doctor's prescription can lead to various health risks. Each medication has potential side effects that can adversely affect your health.

2. **Adverse Effects on Health:**
- When you take medication without proper guidance, you may experience side effects that can worsen your health condition. This can lead to complications that could have been avoided with professional advice.

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