Investigating the Solubility of Table Salt in Distilled Water at Different TemperaturesThe aim of this essay is to explain and discuss the drug cannabis andits effects in relation to biochemical, behavioural and psychologicalfactors. The introduction will outline a brief history relating tothe drug and include both the medicinal and recreational purposes ofits use. The main discussion will explain how the drug chemistryaffects the nervous system emphasising what neurotransmitter iseffected and also what behavioural and psychological implications thishas on the user. Finally I will conclude by summarising the mainpoints of the discussion outlining both the long and short termoverall effects of cannabis, evaluating what the relative costs andbenefits are to the user.
Cannabis, commonly known as Marijuana is a member of the Cannabinaceaeoriginating from the hemp plant (Cannabis Sativa). It is describedas a naturally grown erect, bushy herb plant with saw toothed leavesand fluted stalks ranging in height from three feet to twenty fivefeet approximately. Cannabis is available in three main forms, as adried herb (usually known as grass), as a resin (usually known as hashor hashish) that is extracted from the buds and flower heads and as asticky liquid (hash oil) which is prepared from the resin.
The exact origins of cannabis have never been clearly defined; howeverthe wild version is believed to have originated in Central Asia.Historians believe that it was one of the first crops to be cultivatedby man for its fibre, and the ancient Chinese are believed to have…
…strate positive and significant harmful effects in manattributable solely to the use of cannabis” (ACDM 1981)
A Brief History of Cannabis -www.hrc.wmin.ac.uk/hemp/history
A Cannabis Chronology -www.ukcia.org/newsite/culture
Cannabis Information Network -www.marijuana-hemp.com/cin/facts
POTOLOGY – Lifeline Publications (2000)
(Dr Nukes guide to the Science of Cannibis
& the Sociology of getting stoned)
Short term/long term affects -www.trashed.co.uk/cgi-local/newframe
STREET DRUGS – Andrew Tyler
(The facts explained. The myths exploded)
(The drug workers bible)