› Forums › Forum › Does anyone know what the pineal gland is? This topic has 4 replies, 1 voice, and was last updated 12 years ago by . Creator Topic March 26, 2010 at 2:17 pm #816 AnonymousInactive Up0Down:: I have a cyst on my pineal gland in my brain,I have no clue what the pineal gland is,and My Dr. hasnt told me.He said it is benign.I also am being tested for high cortisol levels. My anxiety is going out of control.Any advice/ Creator Topic You must be logged in to reply to this topic.