Beta blockers. Beta blockers, also called beta-adrenergic blocking agents, treat a variety of conditions, such as high blood pressure and migraines. Find out more about this class of medication. Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline. When you take beta blockers, your heart beats more slowly and with less force, thereby reducing blood pressure.
The Vikings came from three countries of Scandinavia: Denmark, Norway and Sweden. The name 'Viking' comes from a language called 'Old Norse' and means 'a pirate raid'. People who went off raiding in ships were said to be 'going Viking'.
The Vikings, or Vikingr in Old Norse, is the collective term used to describe the Scandinavian explorers, traders and warriors who raided, traded, explored and settled across large parts of Europe, Asia and the North Atlantic islands from around the eight to the mid-eleventh centuries.ountless misconceptions of the Vikings exist and continue to be perpetuated today. Here are some of the more well-known Viking myths that have no grounding in historical fact. Vikings did not wear horned helmets. There is no evidence to suggest that they ever did, apart from in some ritual ceremonies.