How we can keep ourselves healthy?

Explanation

To keep ourselves healthy, we can follow these steps:

### Step 1: Understand What It Means to Be Healthy
According to the World Health Organization (WHO), a healthy person should have three key aspects:
1. **Physical Fitness**: This involves maintaining a healthy body through exercise and proper nutrition.
2. **Mental Fitness**: This refers to having a positive mindset and managing stress effectively.
3. **Social Fitness**: This means having good relationships and social interactions with others.

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