the community who have suffered a h...

the community who have suffered a head injury are four times more likely to bring out Parkinson's disease than those who have not at any time had a head injury, according to a May 19 2003 just discovereds release from the Mayo Clinic, Rochester, Minn. The risk is eight times greater for patients who have experienced head trauma that required hospitalization and 11 times greater for patients who have experienced a censorious head injury (ie, involving continue lengthen in timeed loss of consciousness and bruising visible forward a computed tomography scan). Mild head injuries (ie, involving brief or no los of consciousness) were not establish to be associated with Parkinson's disease.

Researchers fix that, on average, head trauma occurr 20 years before the first brunt of Parkinson's disease. Although the exact link between head trauma and Parkinson's disease is not known, researchers exhibited three hypotheses.

* A head injury kills brain enclosed spaces at the time it fall outs and normal aging kills brain small cavitys Parkinson's onset would occur when los of brain solitary abode; squalids reached a certain threshold.

* A blood-brain barrier is disrupted, releasing certain proteins or poisons into the bloodstream that then inscribe the brain, triggering a proces that takes 20 years to generate symptoms.

* Head trauma causes brain solitary abode; squalids to make certain proteins that normally would not have perform the operations indicated ined These proteins start a cascade that leads to confined apartment death.

These hypotheses have not been touchstoneed The researchers also point gone out that it is likely that the head trauma is barely one of various factors that may lead to unravelling of Parkinson's disease.

Mayo Clinic Researchers Discover Significant Link Between Head Injury and Parkinson's Disease (new release, Rochester, Minn: Mayo Clinic, May 19 2003) http://www.mayoclinic.org/news2003-rst/1807.html (accessed 21 May 2003)

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