Because they're worth it.
Strong
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D002321:Career Choice; D003704:Dementia / Q000451:nursing*; D004645:Empathy; D006801:Humans; D007587:Job Description; D007588:Job Satisfaction; D009720:Nurse Clinicians / Q000193:education / Q000458:organization & administration* / Q000523:psychology; D009723:Nurse-Patient Relations