유지하다

To stop something bad from happening before it occurs. Usually used in the context of disease, accidents, or crime.

Being harmful or injurious to health, the environment, or a situation. It describes something that causes negative effects.

To take in food, drink, or nutrients into the body.

The preservation of health and the prevention of disease, especially through organized community efforts.

The act of controlling or adjusting something to a desired level or state.

To become worse, such as in condition, situation, or health.

The quality of being dangerous or the likelihood of a negative consequence. It is often used in public health, safety, and environmental contexts.

The state of being free from illness or injury, encompassing physical, mental, and social well-being.

Conditions or practices, especially cleanliness, that help maintain health and prevent the spread of diseases.

The length of time a living being is expected to live or the period during which a machine or product functions.