Differentiate between communicable and non communicable diseases.

Explanation

### Step-by-Step Solution:

1. **Definition of Communicable Diseases**:
- Communicable diseases are illnesses that can be easily spread from one person to another. They are caused by pathogens such as bacteria, viruses, fungi, or parasites.

2. **Definition of Non-Communicable Diseases**:
- Non-communicable diseases are illnesses that cannot be transmitted from one person to another. These diseases are often caused by factors such as lifestyle choices, genetic predispositions, or environmental influences.

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