This can have a very negative effect. For example a series of case studies of chimpanzees who had been retired from research, published in the Journal of Trauma and Dissociation in 2008, found that diagnosis of complex post-traumatic stress disorder (PTSD) in the animals was “consistent with descriptions of trauma-induced symptoms described by the DSM-IV [a publication of the American Psychiatric Association that provides standard criteria for the classification of mental disorders in humans] and human trauma research,”(Animal Experimentation). Some researchers give animals diseases in order to develop new treatments and cures. Most of the time the animals are not given painkillers and are forced to suffer. The only U.S. law that governs the use of animals in laboratories—the Animal Welfare Act—allows animals to be
This can have a very negative effect. For example a series of case studies of chimpanzees who had been retired from research, published in the Journal of Trauma and Dissociation in 2008, found that diagnosis of complex post-traumatic stress disorder (PTSD) in the animals was “consistent with descriptions of trauma-induced symptoms described by the DSM-IV [a publication of the American Psychiatric Association that provides standard criteria for the classification of mental disorders in humans] and human trauma research,”(Animal Experimentation). Some researchers give animals diseases in order to develop new treatments and cures. Most of the time the animals are not given painkillers and are forced to suffer. The only U.S. law that governs the use of animals in laboratories—the Animal Welfare Act—allows animals to be