Guest guest Posted October 20, 2008 Report Share Posted October 20, 2008 hi what vitamin is best for energy? Monday, October 20, 2008 8:02:08 pm MCS-Canada bestsurprise2002 << >> HOW CANCER SPREADS - THE MYSTERIES OF METASTASIS HOW CANCER SPREADS - THE MYSTERIES OF METASTASIS _http://www.cancerdecisions.com/100508.html_ (http://www.cancerdecisions.com/100508.html) When cancer is localized to the site in which it originated, it can often be controlled, and sometimes even cured, by conventional methods; but when cancers metastasize - i.e., spread to distant locations - the situation becomes considerably more ominous. The ability of cancer to metastasize is what makes the disease potentially so deadly. For the past several decades it has generally been assumed that metastatic spread happens relatively late in the course of the disease, and that it occurs largely as a result of increasing malignancy in the original (primary) tumor .. However, several recent papers, including one published last week in the journal Science, have presented new evidence challenging this theory and raising some very interesting questions about how and when cancers begin to spread (Podsypanina, 2008). The Science p Quote Link to comment Share on other sites More sharing options...
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