Why, when I turn my spine in some direction, it becomes easier for me and it crunches loudly? I do this very often. It is harmful?
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Sometimes (very rarely, the last case was about 3 weeks ago, before that a year ago) I shake my whole body and lose consciousness; before there were mild panic attacks (now absent). Adults say it's just adolescence, but I still worry. They went to a doctor (pediatrician), but said that because o...