A thrust; a push; a sudden force that impels.
The integral of force over time.
A wish or urge, particularly a sudden one prompting action.
To impel; to incite.
The act of preventing or hindering; obstruction of action, access, or approach; thwarting.
precaution; forethought.
Any measure intended to limit health-related risks (such as information campaigns, vaccination, early diagnosis etc.).