Name the infectious disease which causes wasting of body parts. Give the scientific name of the pathogen and mention the body organs it primarily affects.

Explanation

### Step-by-Step Solution

1. **Understanding Wasting of Body Parts**:
- Wasting of body parts refers to the loss of muscle mass and strength, which can lead to weakness, numbness, and impaired balance. It is often a result of low energy or nutrient uptake, which can be caused by various infections.

2. **Identifying the Infectious Disease**:
- One infectious disease that causes wasting of body parts is **AIDS** (Acquired Immunodeficiency Syndrome).

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