Why are the kids still scratching?
Most living creatures have little mechanisms in their bodies for fighting off anything that invades them. They also have warning systems to tell us something is not right. When we get stung or bitten by a bug a very complicated reaction gets set off which is partly warning, partly healing. Swelling, redness and itchiness are all part of this reaction. With head lice we need to get bitten many times before we feel the itchy bit, some people don't get itchy at all.The exact cause of scoliosis is still unknown. There has been substantial research into causes such as genetic factors, hormones, tissue growth abnormalities, vertebral body/disc disorders, and central nervous system problems.
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