It is difficult to find suitable stem cell donors. Mutations have been observed in stem cells which might cause them to behave like cancer cells. Stem cells can sometimes be contaminated with viruses which would be transferred to a patient.
Ethical issues A source of embryonic stem cells is unused embryos produced by in vitro fertilisation IVF - at what stage of its development should an embryo be regarded as, and treated as a person? For therapeutic cloning , is it right to create embryos for therapy, and destroy them in the process?
Embryos could come to be viewed as a commodity, and not as an embryo that could develop into a person. Social issues Educating the public about what stem cells can and can't do, is important. Whether the benefits of stem cell use outweigh the risks. Much of the research is being carried out by commercial clinics, so reported successes are not subject to peer review. How do I check my neurological status? Can blood tests detect neurological disorders?
How does a neurologist check for nerve damage? What is the most sensitive indicator of neurologic change? What is the most reliable indicator of neurologic status? What is the earliest indicator of neurological status? What is the most sensitive indicator of a brain injury? Can a head injury cause problems years later? How do you tell if someone is faking a brain injury? Can you fake memory loss? Can concussion symptoms come and go? Can a concussion be proven?
What are 5 signs of a concussion? How do eyes check for concussion? How long does it usually take for a single concussion to fully heal? Previous Article Is Self-Esteem part of self concept? A few examples of symptoms that may be caused by a nervous system problem include: Numbness or tingling. Weakness or a reduced ability to move any part of the body not caused by pain.
Tremors, tics, or other unusual movements, such as a walking gait change or mouth smacking. Top 10 foods for brain and nervous system Green leafy vegetables.
Green leafy vegetables are rich in Vitamin B complex, Vitamin C, Vitamin E and Magnesium all of which are important for proper functioning of our nervous system. Dark chocolate. Can the central nervous system regenerate? Central nervous system CNS axons do not spontaneously regenerate after injury in adult mammals. In contrast, peripheral nervous system PNS axons readily regenerate, allowing recovery of function after peripheral nerve damage.
How do you know if your nervous system is tired? One of the first symptoms of CNS fatigue is irritability and emotional changes. It also disrupts sleep patterns and can cause either food cravings or loss of appetite, all of which can exacerbate a heightened emotional state. Another core sign of CNS fatigue is a weakened immune system.
What disease attacks your nervous system? Weakness and tingling in your extremities are usually the first symptoms. These sensations can quickly spread, eventually paralyzing your whole body. What are the signs of neurological problems? Physical symptoms of neurological problems may include the following: Partial or complete paralysis. Muscle weakness. Partial or complete loss of sensation. Difficulty reading and writing.
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