The effectiveness of certain methods, however, has not been adequately established. The increased popularity of alternative types of medicine has raised some safety issues.
या पर्यायी औषधोपचारांच्या वाढत्या लोकप्रियतेमुळे त्यांच्या सुरक्षिततेविषयी काही प्रश्‍न उपस्थित झाले आहेत.