{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

D western world learns of psychoacve use mid 1800s us

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: World Cannabis Highlights •  Archaelogical record of hemp cord (~8000 B.C.) •  Documenta*on of medical use in China (~2700 B.C.) •  Religious use in India (~2000 B.C.) •  Hashish use in Arab world (~1000 A.D.) •  Western World learns of psychoac*ve use (mid 1800s) U.S. Cannabis History •  Harvested for hemp in American colonies •  Smoking introduced in 1850s by Mexicans and West Indians •  Portrayed as evil in 1920s, laws passed to outlaw use •  By mid ­1930s, considered a narco*c •  Marijuana Tax Act (1937): made illegal; overturned in 1960s. •  By 1940 public convinced that it –  Induced violent crimes –  Led to heroin addic*on –  Was a great social menace U.S. Cannabis History (cont) •  THC isolated from marijuana (1964) •  Hippie era (1960s) •  Synthe*c marijuana  ­ Marinol (1980) •  First cannabinoid receptor isolated and cloned (1990) •  Endogenous ligand (anandamide) isolated (1992) •  Voters in CA, AZ approve medical use (1996) •  Marinol as Schedule 3 (1999) Marijuana and CigareLes Marijuana Smoke vs. Tobacco Smoke •  Which is more harmful? •  Each type has more of certain toxins and carcinogens than other •  Mi*ga*ng factors –  Filtra*on –  Addi*ves –  Frequency of use –  Method of inhala*on Normal Lungs and Physiology Lungs are the site of gas exchange: oxygen enters blood and carbon...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online