Ariana Grande Shares Brain Scan Posts About PTSD

(CNN) Ariana Grande took to Instagram to share photos of her brain scan that she says shows post-traumatic stress disorder. PTSD is an anxiety disorder that can develop in some people after witnessing or being involved in traumatic events. Charles B. Nemeroff, M.D., Ph. D., Professor of Psychiatry at The University of Texas at Austin said several studies have shown changes in the brains of patients with PTSD.