Using what I already know, it was called China's Sorrow because farmers tried to use it as a source of water for an irrigation system, but many failed. They could only control the secondary branches of the river. But when the river over flooded, it washed away crops and houses that caused great deals of death and destruction.
A medical specialty concerned especially with the ear, nose, and throat and related parts of the head and neck. This is by merriam webster I had nothing to do with this.
