A new study by Swedish scientists has revealed that humming increases sinus ventilation dramatically, raising the prospect that daily periods of humming could be helpful to prevent sinusitis in
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hum-your-way-out-sinusitis
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health