Botox injection for laryngeal voice disorder treatment VnExpress Ms. Thanh, 50, lost her voice and couldn't speak for 10 months. Doctors diagnosed her with spasmodic dysphonia and treated her with botox.
Five tips for using a humidifier to relieve nasal congestion VnExpress Choose a humidifier of appropriate size, change the water after each use, and clean it every three days to prevent bacterial growth.