How Humming Helps Sinus and Allergy
How Humming Helps Sinus and Allergy Murray Grossan, MD. About the author: Dr. Grossan is an otolaryngologist and head and neck surgeon with the Tower Ear, Nose and Throat Clinic at Cedars-Sinai Medical Center in Los Angeles and the founder of the Web based Grossan Sinus & Health Institute (https://www.grossaninstitute.com). He is author of Free Yourself from Sinus and Allergy