Classification – Medical terms: select the odd one out. Three denote diseases/health disorders; one denotes a state of well-being, not a disease. Which option is different? Options: Cholera, AIDS, Cancer, Health.

Introduction / Context:
Medical vocabulary classification often separates disease names from general states or conditions. Cholera, AIDS, and cancer are diseases; “health” refers to a state of well-being.

Given Data / Assumptions:

• Cholera: infectious disease.
• AIDS: syndrome due to HIV infection.
• Cancer: class of diseases with uncontrolled cell growth.
• Health: a positive state, not a disease.

Concept / Approach:
Identify disease vs non-disease terms; the wellness term is the odd one out.

Step-by-Step Solution:
Step 1: Mark disease names.Step 2: Cholera/AIDS/Cancer qualify as diseases.Step 3: Health is not a disease; it is the exception.

Verification / Alternative check:
Standard medical definitions confirm the distinction.

Why Other Options Are Wrong:
Cholera/AIDS/Cancer: All denote diseases and thus belong together.

Common Pitfalls:
Do not confuse risk factors, symptoms, or states with disease entities; terminology matters.

Final Answer:
Health