My neuro chiropractor came up with this therapy when I started to have trouble swallowing my food. I was vomiting and having a lot of upper GI problems. I was ready to get an upper and lower GI scan when I went to see her first. When I told her about my problems she had a different idea. She proceeded to stick a tongue depresser down my throat in an unsuccessful atempt to gag me. Upon finding out that my gag reflex was nonexistent she proceeded to keep trying until she gagged me by shoving the tongue depressor half way down my throat. She was very unhappy with the results and stated that I must gag myself 4 to 5 times a day for two weeks until I seen her again. She said that I didnt need any GI scan because my prefrontal cortex of my brain is nonexistent do to all the meds that Im on.She told me that the prefrontal cortex has many responsibilities one of which is saliva production and digestion. Along with mucus developement in my sinuses and tear production in my eyes. She explained that I needed to do anything I could to stimulate my prefrontal cortex. I decided to try this and it has worked for me. I have little to no trouble swallowing and my eyes are no longer dry and my sinuses are great. I just hope that this may help someone else who is struggling with this problem.. thanx krank