Nuclear medicine blood disorders. In nuclear medicine therapy, the radiation treatment dose is administered internally (e.g. intravenous or oral routes) rather than from an external radiation source. The radiopharmaceuticals used in nuclear medicine therapy emit ionizing radiation that travels only a short distance, thereby minimizing unwanted side effects and damage to noninvolved organs or nearby structures. Most nuclear medicine therapies can be performed as outpatient procedures since there are few side effects from the treatment and the radiation exposure to the general public can be kept within a safe limit. Common nuclear medicine (unsealed source) therapies In some centers the nuclear medicine
History of mental disorders of life/animation", had varied usage referring to a condition of the mind/soul. "Nervous", from an Indo-European root meaning to wind or twist, meant muscle or vigor, was adopted by physiologists to refer to the body's electrochemical signalling process (thus called the nervous system), and was then used to refer to nervous disorders and neurosis. "Obsession", from a Latin root meaning to sit on or sit against, originally meant to besiege or be possessed by an evil spirit, came to mean a fixed idea that could decompose the mind. With the rise of madhouses and the professionalization and specialization of medicine,