Which of the following is a non-communicable disease

Options

A. Cholera
B. Diabetes mellitus
C. Influenza
D. Filariasis

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks to identify which of the listed diseases is a non-communicable disease. The options provided are cholera, diabetes mellitus, influenza, and filariasis.

2. **Defining Communicable vs Non-Communicable Diseases**:
- **Communicable Diseases**: These are diseases that can be transmitted from one person to another, either directly or indirectly. They are often caused by pathogens such as bacteria, viruses, or parasites.
- **Non-Communicable Diseases**: These diseases cannot be transmitted from one person to another. They are often chronic conditions that may be caused by genetic, environmental, or lifestyle factors.

3. **Analyzing Each Option**:
- **Cholera**: This is an infectious disease caused by the bacterium Vibrio cholerae, typically spread through contaminated water. Therefore, it is a communicable disease.
- **Diabetes Mellitus**: This is a metabolic disorder characterized by high blood sugar levels due to the body's inability to produce or respond to insulin. It is not infectious and cannot be transmitted between individuals, making it a non-communicable disease.
- **Influenza**: This is a viral infection that affects the respiratory system and is highly contagious. It spreads easily from person to person, categorizing it as a communicable disease.
- **Filariasis**: This is a parasitic disease caused by filarial worms and is transmitted through mosquito bites. Hence, it is also a communicable disease.

4. **Conclusion**: After analyzing all the options, the only non-communicable disease among the choices is **diabetes mellitus**.

5. **Final Answer**: The correct option is **diabetes mellitus**.

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