Opium was used as a pain killer for several millenia. It was also used to treat mental illness and minor aliments like diarrhoea and headaches up until the early 20th century in Europe and North America.
http://www.bonkersinstitute.org/showpics/opium.gif
It is no longer used medically, although drugs derived from it remain in use.
http://www.chinese-outpost.com/history/thomas-allom-china-illustrated/images/chinese_opium_smokers.jpg
Short terms effects of use include euphoria, pain relief, and loss of muscle control
http://www.china-mike.com/wp-content/uploads/2011/02/2-canton-china-opium-den.jpg
Opium is commonly smoked, but can also be injected, or swallowed as a pill.
Citations
Drug fact sheet. (n.d.). Retrieved from http://www.justice.gov/dea/druginfo/drug_data_sheets/Opium.pdf
Drug guide. (2012). Retrieved from http://www.drugfree.org/drug-guide/opium
Opium and heroin. (2012). Retrieved from http://www.drugs.com/opium.html
Aunti, Ah-Pen-Yan, Zero, God's Medicine
narcotic
http://www.deamuseum.org/ccp/img/opium/4i2.jpg
Opium is extracted from the juice of a poppy flower
It has been used since the Neotlithic Era, and became popular throughout Eurasia for several millenia.
Prolonged use can lead to sores covering the body, extreme constipation, and seizures
http://www.faqs.org/health/images/uchr_06_img0560.jpg
Opium is an injectable narcotic that supplies a euphoric high and has historically been used as a pain killer
http://www.opiummuseum.com/pics/Wills_70145_normal.jpg
http://unrepentantoldhippie.files.wordpress.com/2009/11/opium-museum-photo-gallery_1258644901500.png
Anthony Armitage
Stang
12/5/12
Period 6