Chasing The Dragon - Wikipedia

Cantonese drug slang phrase For other uses, see Chasing the Dragon (disambiguation). Look up chase the dragon in Wiktionary, the free dictionary.

"Chasing the dragon" (CTD) (traditional Chinese: 追龍; simplified Chinese: 追龙; pinyin: zhuī lóng; Jyutping: zeoi1 lung4), or "foily" in Australian English,[1] is the act of inhaling the vapor of a powdered psychoactive drug off a heated sheet of aluminium foil. The moving vapor is chased after with a tube (often rolled foil) through which the user inhales.[2] The "chasing" occurs as the user gingerly keeps the liquid moving to keep it from overheating and burning up too quickly, on a heat-conducting material such as aluminium foil.

"Chasing the dragon" is also the elusive pursuit of a high equal to the user's first in the use of a drug, which after acclimation is no longer achievable.[3] Used in this way, "chasing the dragon" can apply to any recreational drug administered by any means.

History

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The practice of smoking low-grade heroin via heating on tinfoil first originated in Hong Kong in the late 1950s, and thereafter spread to other parts of Southeast Asia during the 1960s, Western Europe during the late 1970s, and to the Indian subcontinent during the 1980s.[2] A report published in 1958 by the Government of Hong Kong stated that since syringes were difficult to obtain in the colony, local addicts bought street deals of crude heroin (often mixed with powdered barbiturates) weighing approximately 0.126 grams for HK$2 each, which was then vaporized on tinfoil while the consumer inhaled the rising smoke through a cardboard tube. The use of common materials for consumption of the drugs allowed the addict to quickly dispose of the evidence if they detected the police nearby, and also allowed them to forgo carrying incriminating paraphernalia on their person (such as pipes or syringes).[4]

Risks

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Lung cancer from natural talc

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Talc is an excipient often used in pharmaceutical tablets. Also, illicit drugs that occur as white powder in their pure form are often cut with cheap talc. Natural talc is cheap but contains asbestos while asbestos-free talc is more expensive. Talc that has asbestos is generally accepted as being able to cause lung cancer if it is inhaled. The evidence about asbestos-free talc is less clear, according to the American Cancer Society.[5]

Smoke inhalation

[edit] Main article: Smoke inhalation

It is always harmful to expose the lungs to any kind of smoke or heated vapor.[6]

Heroin

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Inhaling heroin appears to rarely lead to toxic leukoencephalopathy.[7][8] There are also documented cases of both severe acute asthma and exacerbation of underlying asthma caused by heroin inhalation, potentially resulting in death.[9][10][11]

See also

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• Drug pipe
• One-hitter (smoking)
• Opium pipe

References

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1. ^ foily. ISBN 978-0-19-982994-1. Retrieved 10 January 2017.
2. ^ a b Strang, John; Griffiths, Paul; Gossop, Michael (June 1997). "Heroin smoking by 'chasing the dragon': origins and history". Addiction. 92 (6): 673–684. doi:10.1111/j.1360-0443.1997.tb02927.x. PMID 9246796.
3. ^ "What Does It Mean To "Chase The Dragon"?". Serenity Oaks Wellness. 16 May 2018.
4. ^ "The smoking of heroin in Hong Kong". United Nations Office on Drugs and Crime. 1 January 1958.
5. ^ "Talcum Powder and Cancer". www.cancer.org.
6. ^ Gorguner, Metin; Akgun, Metin (2010). "Acute Inhalation Injury". The Eurasian Journal of Medicine. 42 (1): 28–35. doi:10.5152/eajm.2010.09. PMC 4261306. PMID 25610115.
7. ^ Offiah, C.; Hall, E. (February 2008). "Heroin-induced leukoencephalopathy: characterization using MRI, diffusion-weighted imaging, and MR spectroscopy". Clinical Radiology. 63 (2): 146–152. doi:10.1016/j.crad.2007.07.021. PMID 18194689.
8. ^ Buxton, Jane A; Sebastian, Renee; Clearsky, Lorne; Angus, Natalie; Shah, Lena; Lem, Marcus; Spacey, Sian D (2011). "Chasing the dragon - characterizing cases of leukoencephalopathy associated with heroin inhalation in British Columbia". Harm Reduction Journal. 8 (1): 3. doi:10.1186/1477-7517-8-3. PMC 3035193. PMID 21255414.
9. ^ Hughes, S.; Calverley, P. M. (10 December 1988). "Heroin inhalation and asthma". BMJ. 297 (6662): 1511–1512. doi:10.1136/bmj.297.6662.1511. PMC 1835195. PMID 3147049.
10. ^ Krantz, Anne J.; Hershow, Ronald C.; Prachand, Nikhil; Hayden, Dana M.; Franklin, Cory; Hryhorczuk, Daniel O. (February 2003). "Heroin Insufflation as a Trigger for Patients With Life-Threatening Asthma". Chest. 123 (2): 510–517. doi:10.1378/chest.123.2.510. PMID 12576374. S2CID 14206292.
11. ^ Levine, Michael; Iliescu, Maria Elena; Margellos-Anast, Helen; Estarziau, Melanie; Ansell, David A. (October 2005). "The Effects of Cocaine and Heroin Use on Intubation Rates and Hospital Utilization in Patients With Acute Asthma Exacerbations". Chest. 128 (4): 1951–1957. doi:10.1016/S0012-3692(15)52588-9. PMID 16236840.

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