 HONG KONG, Jan. 20, 2023 PRNewswire As the search continues for non-invasive ways to treat neurodegenerative diseases, focused ultrasounds have become an alternative to surgery when it comes to treating essential and Parkinsons tremors. This month on CNNs Vital Signs, CNNs Chief Medical Correspondent Dr. Sanjay Gupta speaks to the experts working on this non-invasive therapeutic technology ...... 