Drugs
17 pieces · 1.4 hours of reading
The Real Harm Ladder
The most dangerous drug most people use is legal, sold at every gas station, and rarely thought of as a "drug" at all. Before the rest of this category goes substance by substance, here's what the actual published evidence says about which drugs cause the most harm — not which ones are illegal.
Quick readInteractive4 min02LSD: The Accident That Became a Movement, a Menace, and (Maybe) a Medicine
A Swiss chemist synthesized it in 1938 while researching a completely different problem, set it aside as uninteresting, and only rediscovered its effects five years later by accident — absorbing a trace through his fingertips and experiencing what he described as a stream of fantastic, kaleidoscopic imagery. That accident produced one of the most powerful psychoactive substances ever discovered, active in doses measured in millionths of a gram, and one of the most legally punished. Here's the honest version: what LSD actually does, why it went from psychiatric tool to street drug to psychiatric tool again, and what current research does and doesn't support.
Read6 min03Psilocybin: The Mushroom That's Closest to Becoming Medicine
Of every substance in this category, psilocybin mushrooms may be the single closest to a mainstream medical future — with a new-drug application under rolling FDA review (as of autumn 2026), already legal for supervised use in two U.S. states with a third about to follow, and scoring the lowest of any drug in the best-known harm comparison. They're also, in the wrong setting or for the wrong person, capable of triggering a genuinely severe psychological crisis. Both of those things are true at once, and this piece covers both honestly.
Read5 min04DMT: The Shortest, Most Intense Trip There Is
Most psychedelics take effect over 30 to 90 minutes and last for hours. Smoked or vaporized DMT hits within seconds and is often entirely over within 5 to 15 minutes — a complete, often overwhelming altered state compressed into less time than a phone call. It's also one of the only psychedelics your own body already produces in trace amounts, for reasons science still doesn't fully understand.
Read5 min055-MeO-DMT: The Toad, the Molecule, and a Real Safety Warning
Of everything in this category, 5-MeO-DMT carries one of the most specific, well-documented physical dangers — not from the psychedelic compound itself, but from where it's often sourced. This piece separates the two clearly, because conflating them gets people hurt.
Quick read4 min06Ayahuasca: The Brew That Turned Chemistry Into Ceremony
Long before anyone had a word for "monoamine oxidase inhibitor," Amazonian peoples had already solved the precise chemistry problem it describes — combining two plants so that one protects the other's active compound from being destroyed by the human gut. That combination, refined over an unknown number of generations without any modern chemistry, is ayahuasca: one of the oldest continuously practiced psychedelic traditions on Earth, and now also a fast-growing global wellness and therapy industry.
Read5 min07Opium: The Plant Behind Nearly Every Opioid Story
Every other opioid in this category — heroin, fentanyl, the prescription painkillers behind the modern overdose crisis — ultimately traces back to one plant, cultivated by humans for longer than most written history. Understanding opium itself is the foundation for understanding everything that came after it.
Quick read4 min08Heroin: Marketed as the Cure, Became the Crisis
In 1898, the German pharmaceutical company Bayer began selling a new drug commercially under the brand name Heroin, marketed as a safer, non-addictive alternative to morphine and an effective cough suppressant. Within a decade, it was clear that the marketing had it backward. That reversal — from pharmaceutical solution to global addiction crisis, roughly a century before the exact same pattern repeated with prescription opioids — is the story of heroin.
Read5 min09Fentanyl: A Legitimate Medicine That Became the Deadliest Drug in the Supply
A dose of fentanyl small enough to sit on the tip of a pencil can be fatal. That single fact — extreme potency in an extremely small physical volume — is both why fentanyl is genuinely valuable in medicine and why it has become, by a wide margin, the single largest driver of overdose deaths in America today.
Read5 min10Benzodiazepines: The Pills That Are Dangerous Mainly in Combination
Unlike most other substances in this category, benzodiazepines are usually prescribed by an actual doctor, taken exactly as directed, and still capable of producing real physical dependence within weeks. Their story is less about a dramatic underground history and more about a quiet, extremely common risk hiding inside completely ordinary medical use.
Quick read4 min11Alcohol: The Drug We Don't Call a Drug
If alcohol were discovered today and someone proposed selling it at every grocery store, gas station, and restaurant in the country, it would almost certainly never be approved — it's addictive, it causes cancer, and on the single most rigorous published harm-comparison study available (covered in this category's opening piece), it scored as more harmful, combining damage to the user and to everyone around them, than heroin or crack cocaine. It's also the oldest, most culturally embedded drug on Earth, deeply woven into religion, celebration, and daily life for most of recorded human history. Both of those facts are true, and neither cancels the other out.
Read6 min12Cocaine: From Sacred Leaf to Cartel Wars
Sigmund Freud didn't just use cocaine recreationally — he wrote a scientific paper promoting it, "Über Coca" (1884), genuinely believing he'd found a wonder drug for depression, fatigue, and morphine addiction, before watching a close friend he'd recommended it to spiral into severe addiction. That arc — genuine enthusiasm, real harm, slow public reckoning — repeats throughout cocaine's history, right up to the present overdose crisis.
Read5 min13Methamphetamine: The Wartime Stimulant That Never Really Left
During World War II, Nazi Germany distributed methamphetamine to soldiers and factory workers under the brand name Pervitin to fight fatigue and boost alertness — and German forces weren't unique in this; multiple militaries, including Japan's and, to a lesser extent, the Allies, used amphetamine-type stimulants during the war for the same purpose. A drug developed for wartime endurance went on to shape drug policy, rural American life, and a still-unfolding public health crisis, in ways that have almost nothing to do with its original purpose.
Read5 min14MDMA: The Drug That Was a Therapy Tool Before It Was a Party Drug
Most drugs follow a predictable order: recreational use first, therapeutic interest (if any) years or decades later. MDMA ran the sequence backward. Therapists were quietly using it to help patients open up emotionally in the late 1970s, entirely legally, years before it became a recreational phenomenon — and its journey back toward legitimate medicine has been one of the more dramatic, still-unresolved regulatory stories in this entire category.
Read5 min15Cannabis: From "Reefer Madness" to Regulated Dispensaries
In 1937, the United States effectively banned cannabis nationally under the name "marihuana" — a deliberately foreign-sounding spelling chosen partly to associate the drug with Mexican immigrants, part of a public campaign, led by Federal Bureau of Narcotics head Harry Anslinger, that also produced the propaganda film Reefer Madness. Ninety years later, the same plant is sold in licensed, taxed dispensaries across most of the country. Few drugs in this category have had their legal status reverse this completely, or this recently.
Read6 min16Nicotine & Tobacco: The Deadliest Drug in This Entire Category
Every other substance in this category carries real, documented risk. Only one of them is a leading cause of preventable death worldwide, used daily by hundreds of millions of people, entirely legally, sold at nearly every convenience store on Earth. That drug is nicotine, delivered overwhelmingly through smoked tobacco — and its story includes one of the most thoroughly documented cases of corporate deception in modern industrial history.
Read5 min17Ketamine: A Battlefield Anesthetic That Became a Psychiatric Breakthrough
In 2000, a small study found that a single low-dose IV infusion of a decades-old battlefield anesthetic produced rapid, significant relief from depression — in some patients, within hours, for a condition where standard antidepressants typically take weeks to work at all, if they work. That finding launched what's now one of the more genuine, FDA-recognized psychiatric breakthroughs of the last quarter-century, running in parallel with the drug's much older reputation as a club-scene dissociative.
Read5 min