With one human disorder per chapter of this manual for the first 19 Chapters the author guides the researcher in a lab with a step-by-step procedure to end each human disorder and each human disorder is different in each of these chapters. The human disorders that are ended in a lab by this author are the following ones: multiple sclerosis autism down syndrome cognitive impairment aging dementia Parkinson Disease cancer congenital blindness congenital deafness paraplegia stroke heart disease HIV diabetes schizophrenia depression missing limp epilepsy.