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.
What causes loss of brain cells? I do know, for a fact, that the moment we reach the age of 18, that's when we start losing 50,000 brain cells a day.What else causes brain cell loss? do know, for a fact, that the moment we reach the age of 18, that's when we start losing 50,000 brain cells a day. What else causes brain cell loss?