Hi who evers read my post will kown my story...you told me not to worry and Ive been trying not to.Im going to go get tested end of may when I finish university. Ive been trying to relax but I recently discovered that I have some yellow stuff right at the back of my tongue, down the middle. Im freaking out and dont know if this is a sign of anything?? I also feel like I have a mucosy throat. I dont know if this is anything...please some advice...Im brushing my teeth and tongue a lot now and its becoming compulsive.