“A lot of the harms that come from using drugs arise from prohibition. Their study, recently published in the journal Addiction, uncovered a complicated relationship between the quality of drugs and their source. Buying drugs on the dark web is often seen as a safer alternative to navigating an unpredictable, adulterated local supply. Once you have installed Tor, you can access the darknet by typing in the .onion URL of the website you want to visit.