Chimerism is a very rare condition caused by the fusion of zygotes (fertilized eggs) into a single form during early cell duplication. It is extremely rare, with only forty or so known human cases. It is somewhat more common in the animal kingdom.
Cognitive-behavioral therapy is an action-oriented form of psychosocial therapy that assumes that maladaptive, or faulty, thinking patterns cause maladaptive behavior and negative emotions.
Cognitive emotional behavioral therapy (CEBT) is a form of (CBT) developed initially for individuals with eating disorders but now used with a range of problems including anxiety, depression, obsessive compulsive disorder (OCD), post traumatic stress disorder (PTSD) and anger problems.he modern roots of CBT can be traced to the development of behavior therapy in the early 20th century, the development of cognitive therapy in the 1960s, and the subsequent merging of the two.