When cold water or air enters your ear and the inner ear changes temperature, it should cause fast, side-to-side eye movements called nystagmus. The test is done in the following way: 1  Before the test, your ear, especially the eardrum, will be checked. 2  This is to make sure it is normal. 3  One ear is tested at a time.
Absinthe is regulated by the Food and Drug Administration and, until recently, was completely banned in the U.S. and most of Europe. The reason for this is that absinthe contains thujone, a toxic chemical found in several edible plants including tarragon, sage, and wormwood.
Absinthe is an alcoholic drink made from Artemisia absinthium (a plant better known as grand wormwood) and a range of other herbs such as fennel, anise, melissa and hyssop. Actual recipes have always varied by country and manufacturer, as has the quality of each absinthe brand.