For those of you who are familiar with chiropractic this headline may seem funny to you. There is a chunk of the population that is extremely worried about this though. In fact there is a company called, the Chiropractic Stroke Awareness Group. They are very worried that Chiropractic may kill you by causing a stroke. The good news is that it won’t.
Chiropractic has never been shown to cause stroke, though it has also never been definitively ruled out either. The plain fact is that it is so rare that it is nearly impossible to study enough to prove causality. However there have been recent studies that indicate that chiropractic may lower your risk for stroke by decreasing hypertension. “This procedure [Chiropractic manipulation of the Atlas] has the effect of not one, but two blood-pressure medications given in combination,” study leader George Bakris, MD, told WebMD. “And it seems to be adverse-event free. We saw no side effects and no problems,” adds Bakris, director of the University of Chicago center. Full Article Here
To clarify, there are risks associated with chiropractic treatment. Those risks are less than the risk you take by taking a dose of Asprin, but they do exist. According to recent studies the risk of stroke following a chiropractic adjustment (not because of, but following) is 1 in 5.85 million. This study found that you are no more likely to suffer a stroke after visiting a chiropractor thatn you are after visiting your medical doctor. For perspective here is a comparative list:
Additional information and studies can be found here.