Which choice best explains the main topic of this, the first paragraph of the attached passage?
Practicing medicine is not a new concept. People suffering from any number of diseases and ailments have been visiting physicians for centuries, even when a physician could do hardly more than sit at patients’ bedsides and monitor their vitals. Trained physicians can now provide a higher level of care at state-of-the-art facilities with the assistance of experts such as nurses, radiologists, and other specialists. Some, (1)similarly, believe that the healthcare industry is not adapting quickly enough to one of the most important innovations of the 21st century. Thankfully, healthcare has come a long way since then. (2)