A non-communicable disease is

Options

A. Measles
B. Rabies
C. Diphtheria
D. Diabetes

Explanation

**Step-by-Step Solution:**

1. **Understanding Non-Communicable Diseases (NCDs):**
- Non-communicable diseases are medical conditions that are not infectious and cannot be transmitted from one person to another. They are typically chronic and can be caused by a combination of genetic, physiological, environmental, and behavioral factors.

2. **Analyzing the Options:**
- **Option 1: Measles**
- Measles is a viral infection that spreads through respiratory droplets when an infected person coughs or sneezes. It is classified as a communicable disease.
- **Option 2: Rabies**
- Rabies is transmitted through the bite of an infected animal, commonly dogs. This disease is also communicable.
- **Option 3: Diphtheria**
- Diphtheria is a bacterial infection that can be spread from person to person, making it another communicable disease.
- **Option 4: Diabetes**
- Diabetes is a metabolic disorder that affects how the body processes blood sugar (glucose). It is not transmitted between individuals and is classified as a non-communicable disease.

3. **Identifying the Correct Answer:**
- After analyzing all the options, it is clear that the only non-communicable disease among the choices is **Diabetes**.

4. **Conclusion:**
- Therefore, the answer to the question "A non-communicable disease is" is **Diabetes**.

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