People who experience a stroke, or a CVA (cardiovascular accident) may have experienced a smaller warning stroke, or a TIA (transient ischemic attack), say researchers from the University of Western Ontario in London, Ontario, Canada.
TIAs are strokes that last only a few minutes. The blood flow is blocked, as in a full-blown stroke, but then is restored. Symptoms of a TIA may range from very mild stroke-like symptoms to very severe ones. The researchers found that one of out every eight...