Hashish, or hash, is a drug made from cannabis. While herbal cannabis is referred to as marijuana, hashish is cannabis resin.[2] It is consumed by smoking a small piece, typically in a pipe, bong, vaporizer or joint, or via oral ingestion (after decarboxylation). As pure hashish will not burn if rolled alone in a joint, it is typically mixed with herbal cannabis, tobacco or another type of herb for this method of consumption.[citation needed] Depending on region or country, multiple synonyms and alternative names exist.[3]

Hash is an extracted cannabis product composed of compressed or purified preparations of stalked resin glands, called trichomes, from the plant. It is defined by the 1961 UN Single Convention on Narcotic Drugs (Schedule I and IV) as "the separated resin, whether crude or purified, obtained from the cannabis plant". The resin contains ingredients such as tetrahydrocannabinol (THC) and other cannabinoids—but often in higher concentrations than the unsifted or unprocessed cannabis flower.[4] Purities of confiscated Hashish in Europe (2011) range between 4-15%. Between 2000 and 2005 the percentage of hashish in cannabis end product seizures was at 18%.[2]

Hashish may be solid or resinous depending on both preparation and room temperature; pressed hashish is usually solid, whereas water-purified hashish—often called "bubble melt hash", or simply "bubble hash"—is often a paste-like substance with varying hardness and pliability; its color, most commonly light to dark brown, can vary from transparent to yellow, tan, black, or red. This all depends on the process and amount of solvent left over.[5]

Hashish was the primary form of cannabis used in Europe in 2008. Herbal cannabis is more widely used in Northern America.[2]

Besides its recreational use, the active ingredient of hashish, THC, has been of interest for research and medical purposes since its arrival in the 18th century. While it was widely used as a medicine for multiple diseases, the emergence of specific treatments led to a sharp decline in prescriptions, eventually becoming illegal to use via the 1971 UN Convention on Psychotropic Substances.[2]

The street price for hashish in Europe in 2011 varied from €3 (Portugal) per gram to €18 in Malta, or even as high as 200NOK (€20/$25) in Norway.

Hashish has been consumed for many centuries, though there is no clear evidence as to its first appearance.[6] North India has a long social tradition in the production of hashish, known locally as charas, which is believed to be the same plant resin as was burned in the ceremonial booz rooz of Ancient Persia.[7]

The first attestation of the term "hashish" is in a pamphlet published in Cairo in 1123 CE, accusing Nizari Muslims of being "hashish-eaters".[8] The 13th century Ibn Taymiyyah prohibited the use of hashish; he mentioned that it was introduced to Levant with the Mongol invasion (throughout the 13th century).[9] Smoking did not become common in the Old World until after the introduction of tobacco, so up until the 1500s hashish in the Muslim world was consumed as an edible.[10]

This page was last edited on 2 July 2018, at 07:19 (UTC).
Reference: https://en.wikipedia.org/wiki/Hashish_oil under CC BY-SA license.

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