유해하다

To exhaust or completely use up resources, strength, or energy.

The identification of the nature of an illness or other problem by examination of the symptoms; an assessment or analysis of a situation.

A change which is a result or consequence of an action or other cause; the power to produce a desired result.

To keep or maintain a certain state, relationship, or level without change. It is used in contexts ranging from health to international relations.

An unintended, unpleasant, or harmful result of a drug, medical treatment, or even a policy or action.

A decline, lowering, or deterioration in level, quality, capability, or efficiency.

To make someone or something more active or excited, or to cause a physical reaction.

The particular condition that someone or something is in at a specific time.

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

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