A new drug scene is developing in Lagos, Nigeria. People like to get high on 'colos' a mix of marijuana, herbs and chemicals. Medics say heavy metals are often added to the mix, making for a DMT (N, N dimethyltryptamine): Origins, effects & risks The Alarming Surge of Fentanyl Laced Vapes: A Lethal PharmChek Bought a dmt vape cartridge and even off of 8 deep hits with full breathing technique I barely got anything, I think this is why (I let it solidify and all the Upcycling Waste PET: I. Ammonolysis Kinetics of Model Dimethyl Terephthalate and the Catalytic Effects of Ethylene Glycol ACS Sustainable Chemistry & Engineering