What Causes Discomfort In Upper Neck And Lower Head Region?

Hi, may I answer your health queries right now ? Please type your query here... First of all as of a year a go I have anxiety and always feel like there is something wrong with me when I know its just anxiety but I have theses weird uncomfortable feelings lately in my upper neck/lower head , its feels like i need to crack my neck but when i do i sometimes here crunching clicking