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    No one really knows the cause of rosacea but there are many theories. "Rosacea is a skin disease with an obscure and complicated pathogenesis." [1]

    The current most popular theory is that rosacea is a disorder of the innate immune system. For over twenty years the vascular theory was held as the most promising. What is interesting is at the heart of the innate immune system theory is that this includes an overproduction of cathelicidin (a killer of microscopic organisms that is at the cellular level found in white blood cells and also found in cells on the skin) which is transported in the vascular system, so we have come full circle. Some consider the nervous system as the root cause of rosacea, and the list goes on with many other theories worth considering (the latest theory is the Trigeminal sensory malfunction theory) but a good place to start your research is our post on Theories Revisited

    End Notes

    [1] Dovepress
    Rosacea and Helicobacter pylori: links and risks
    Elizabeth Lazaridou, Chrysovalantis Korfitis, Christina Kemanetzi, Elena Sotiriou, Zoe Apalla, Efstratios Vakirlis, Christina Fotiadou, Aimilios Lallas, Demetrios Ioannides

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    • I found this article in the Houston Chronicle interesting since I take a 81 mg enteric coated Aspirin every day:  "Q: This is a true story. In the 1950s, my grandmother was taking a "heart pill" her doctor had prescribed. The older doctor retired, and Granny went to see the new doctor to get her heart pill refilled. The young doctor told her: "Mrs. G., this is nothing but aspirin. There is nothing wrong with your heart." He refused to refill her heart pill. Three weeks later she died of a heart attack. That was in the 1950s, before any research had been done on the effects of aspirin and the heart. A: It took decades for the medical profession to recognize how useful aspirin could be in preventing heart attacks. A recent Swedish study discovered that people who discontinued low-dose aspirin were 37 percent more likely to have a hospitalization, heart attack or stroke (Circulation, online, Sept. 26, 2017). The investigators suggest that there may be rebound blood clotting when aspirin is stopped suddenly. Other research also has shown a link between aspirin discontinuation and serious cardiovascular events. If people need to stop aspirin prior to surgery or because of side effects, they should do so under careful medical supervision." Sudden discontinuation of aspirin could create serious issues
      By Joe Graedon and Teresa Graedon, Houston Chronicle
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      By Colin Dahl
      Chief Scientist, Australian Sciences
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