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प्रश्न
Give any four factors necessary for a healthy person.
उत्तर
Four factors necessary for being healthy are:
- Proper nutrition, a balanced diet along exercise are necessary for developing a good immune system.
- Personal hygiene helps to prevent infectious diseases.
- Cleanliness of the surrounding environment helps to prevent air, water and vector-borne diseases.
- Immunisation against diseases prevents their occurrence and spread.
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