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drug addiction and drug abuse

(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...

Austria

(Encyclopedia)CE5 Austria ôˈstrēə [key], Ger. Österreich [eastern march], officially Republic of Austria, federal republic (2020 est. pop. 8,917,000), 32,374 sq mi (83,849 sq km...

Sudan

(Encyclopedia)CE5 Sudan so͞odănˈ [key], officially Republic of the Sudan, republic (2015 est. pop. 38,648,000), 718,723 sq mi (1,861,484 sq km), NE Africa. It borders on Egypt in the north, on the Red Sea in ...

Venezuela

(Encyclopedia)CE5 Venezuela vĕnəzwāˈlə, Span. vānāswāˈlä [key], officially the Bolivarian Republic of Venezuela, republic (2015 est. pop. 29,275,000), 352,143 sq mi (912,050 sq km), N South America. Ve...

science

(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...

South Africa

(Encyclopedia)CE5 South Africa, Afrikaans Suid-Afrika, officially Republic of South Africa, republic (2015 est. pop. 55,291,000), 471,359 sq mi (1,220,813 sq km), S Africa. It borders on the Atlantic Ocean in th...

Spain

(Encyclopedia)CE5 CE5 Spain, Span. España āspäˈnyä [key], officially Kingdom of Spain, constitutional monarchy (2015 est. pop. 46,398,000), 194,884 sq mi (504,750 sq km), including the Balearic and Canary...

Great Britain

(Encyclopedia)CE5 CE5 CE5 Great Britain, officially United Kingdom of Great Britain and Northern Ireland, constitutional monarchy (2015 est. pop. 65,397,000), ...

United States

(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...