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 name 'Viking' comes from a word in the Old Norse language meaning sea raiding. At that time, most of the Viking homelands, present-day Denmark, Norway and Sweden, were mainly woodlands or harsh landscapes.The Vikings had no lands for farming. As a result, the sea was taken by them as one way to make a living and to search for treasures, wealth and new farming land.nvasion of Russia. The Vikings also founded states in Russia and Ukraine in 860AD and travelled along eastern Europe. They also stopped at Constantinople (present-day Istanbul) where they were employed as the emperor's bodyguard..