Original sentence: Some believe the devastating impact of tardive dyskinesia illustrates why patients and/or their families (guardians and/or caregivers/nurses) should receive full information about the neuroleptic before starting treatment (informed consent)
Edited sentence: The devastating impact of tardive dyskinesia illustrates why patients and/or their families (guardians and/or caregivers/nurses) must receive full information about the neuroleptic before starting treatment (informed consent)