Routes of administration: Difference between revisions

Glycerin was long thought to be a safe option. However, the carcinogen formaldehyde is known as a product of propylene glycol and glycerol vapor degradation.<ref>{{cite journal |last1=Lestari |first1=Kusuma S. |last2=Humairo |first2=Mika Vernicia |last3=Agustina |first3=Ukik |title=Formaldehyde Vapor Concentration in Electronic Cigarettes and Health Complaints of Electronic Cigarettes Smokers in Indonesia |journal=Journal of Environmental and Public Health |date=July 11, 2018 |volume=2018 |pages=1–6 |doi=10.1155/2018/9013430 |pmid=30105059 |pmc=6076960 |issn=1687-9805|doi-access=free }}</ref>

[https://wiki.dmt-nexus.me/The_Machine The Machine], utilizing a glass bottle with a hole, and foil in the neck. The Machine was invented to make it more convenient to smoke [[DMT]], but it can be used for any substance.

[[File:Chasing.jpg|thumb|Chasing the dragon, aka foily.]]

[[Heroin]] is colloquially referred to as "smoked" but is really vaporized, often using tinfoil as a barrier between the substance and the flame source. The heat source can be held at different distances as temperature control. An alternative version is to use a "stainless steel one-quarter teaspoon and vaporized it over a cigarette lighter collecting the smoke in an upside-down funnel."<ref>{{cite web |title=Erowid Online Books : "TIHKAL" - #38 5-MEO-DMT |url=http://www.erowid.org/library/books_online/tihkal/tihkal38.shtml |website=www.erowid.org}}</ref>

This is likely the least clinically delivered route of administration. An overdose caused by chasing the dragon is hard to predict because this technique doesn't deliver a standardized dosage. It's virtually impossible even for skilled users to know how much of the substance that has been evaporated, burned, and inhaled.