The Progressive Era. During the period known as the Progressive Era (1890s to about 1920) the U.S. government became increasingly activist in both domestic and foreign policy.
One possible link between brain freeze and other headaches is local changes in brain blood flow. If further research confirms all these types of headaches are caused by blood flow changes, new drugs that block widening of the blood vessels - called vasodilation - could improve treatment for sufferers.
May 26, 2009 2:00am CST. I have no idea what causes my cursor to freeze since it does not effect the rest of my computer. I'm able to use my arrow keys and navigate when this happens. The only way I'm able to solve this is by restarting my computer. Someone told me it was because of my RAM but that made no sense.