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 were peoples from Scandinavia (Denmark, Norway, and Sweden) from about 700 AD to about 1100. This period is called the Viking Age. Vikings travelled great distances in their longships, as traders, settlers and warriors.Many of the Vikings were tall and had red or blonde hair and beards. Villages on or near any coast in early medieval Europe lived in great fear of Viking attacks.ome of the countries most affected by Viking raids were Britain, Germany, France, Spain and Italy. The word viking seems to have two uses. The word vikingr, taken from rune stones, meaning a man who has gone with other men on a military journey.