How Did Cannabis Become the Bad Guy? The History Behind the Stigma

"Cannabis is dangerous."

"Cannabis makes people violent."

"Cannabis is a gateway drug."

"Cannabis users are lazy, irresponsible criminals."

If you grew up in America, chances are you've heard some version of these statements.

But here's a question we don't ask nearly enough:

Where did those ideas actually come from?

Because America's relationship with cannabis hasn't always looked the way it does today.

Long before dispensaries, hemp-derived products and debates over legalization, cannabis and hemp were already woven into American agriculture, medicine and industry.

Then, over the course of the 20th century, the story changed dramatically.

Cannabis went from a plant Americans cultivated and pharmacists used in preparations to one of the most heavily stigmatized substances in the country.

And the story of how we got there involves medicine, immigration, racism and xenophobia, sensational newspaper headlines, government campaigns, industrial innovation, questionable science and a whole lot of fear.

So buckle up.

This one gets interesting.

First, Cannabis Wasn't Always America's Villain

Before cannabis became synonymous with crime in the United States, Americans were already familiar with the plant in several forms.

Hemp had long been cultivated for its strong fiber, which could be used for things like rope, textiles and other materials.

Cannabis preparations also appeared in American medicine during the 1800s and into the early 1900s.

In fact, pharmaceutical companies continued producing cannabis medicines well into the 1930s.

That doesn't mean cannabis was completely unregulated or universally accepted. It wasn't.

But the image many of us inherited — cannabis as an inherently criminal substance with no legitimate purpose — hadn't fully taken shape yet.

That would come later.

Then “Cannabis” Became “Marihuana”

During the early 1900s, recreational cannabis smoking became increasingly associated in the American press with Mexican immigrants.

And that association mattered.

Following the Mexican Revolution beginning in 1910, large numbers of Mexican immigrants came to the United States. At the same time, newspapers began publishing increasingly alarming stories about “marihuana.”

Historical newspapers are pretty wild to read today.

Cannabis was described as a mysterious Mexican drug capable of causing insanity, violence and bizarre criminal behavior.

The stories often weren't subtle about who Americans were supposed to fear.

Cannabis became tangled up with existing prejudice toward Mexican immigrants and other marginalized groups.

And when people are already afraid of something they don't understand, sensational stories travel quickly.

Sound familiar?

Enter the Newspaper Empire

One of the biggest names in American media at the time was William Randolph Hearst.

Hearst controlled a massive newspaper empire, and his publications became known for sensational journalism designed to grab attention.

During the 1920s, Hearst newspapers participated heavily in anti-drug campaigns and published dramatic stories portraying marijuana as a drug associated with murder, madness and violent crime.

The evidence connecting cannabis to those extreme behaviors?

Not exactly impressive.

But the headlines were.

And when millions of people repeatedly encounter frightening stories about something they've never personally experienced, those stories can become reality in the public imagination.

Meanwhile, Henry Ford Was Experimenting With Plants

Here's another fascinating piece of hemp history.

Henry Ford was deeply interested in finding ways to connect agriculture with American industry.

Ford believed crops could become industrial raw materials, and his researchers experimented extensively with plant-based plastics.

In 1941, Ford unveiled an experimental automobile with a tubular steel frame and lightweight plastic body panels.

You've probably seen it referred to online as the “hemp car.”

Then Came Harry Anslinger

If you've spent any time learning about cannabis history, you've probably encountered the name Harry J. Anslinger.

Anslinger became the first commissioner of the Federal Bureau of Narcotics in 1930 and remained in the position for more than three decades.

He would become one of America's most influential voices on drugs.

Interestingly, Anslinger wasn't initially leading some grand crusade to federally outlaw marijuana.

Historical research suggests he initially considered federal marijuana enforcement impractical.

But his position changed.

And once it did, he became an extremely powerful voice in shaping how Americans thought about cannabis.

Anslinger promoted stories connecting marijuana with insanity, violence and horrific crimes.

He collected sensational criminal cases that became known as his “gore files” and used them as evidence of marijuana's supposed dangers — even when the connection between cannabis and the crime was questionable or simply assumed.

The message was simple:

Marijuana wasn't merely unhealthy. It was dangerous.

Dangerous people used it.

Dangerous behavior followed it.

And Americans needed protection from it.

Race Was Part of the Story, Too

We shouldn't oversimplify cannabis prohibition into one cause.

Temperance movements, concerns about intoxicants, fears about youth, beliefs about addiction, law enforcement priorities and genuine misunderstandings about cannabis all played roles.

But racial prejudice and xenophobia were also woven into cannabis prohibition and its enforcement.

Cannabis had become associated with Mexican immigrants.

It was also associated with Black musicians and jazz culture.

Those associations were repeatedly used in public rhetoric surrounding drugs and crime.

And after prohibition became law, racial disparities became an undeniable feature of how drug laws were enforced.

So when people today say cannabis prohibition has a complicated racial history, that's not some modern interpretation being projected backward.

That history exists.

It's simply more complicated than saying one racist politician woke up one morning and decided to ban a plant.

1937: The Marihuana Tax Act

In 1937, Congress passed the Marihuana Tax Act.

Technically, it didn't simply declare, “Cannabis is banned.”

Instead, the federal government used taxation and registration requirements to heavily restrict cannabis cultivation, possession and transfer.

There was opposition.

A representative of the American Medical Association testified against the legislation and raised concerns about restricting cannabis medicines.

Nevertheless, the act passed.

And the federal government's relationship with cannabis had fundamentally changed.

Interestingly, industrial hemp wasn't completely erased by the law.

That's another part of the story that often gets lost.

The Marihuana Tax Act placed restrictions on cannabis, but it did not simply outlaw all hemp fiber production.

In fact, just a few years later, hemp would once again become useful to the federal government.

Wait... Didn't the Government Ask Farmers to Grow Hemp?

Yep.

During World War II, imported fiber became difficult to obtain.

Suddenly, hemp was useful again.

The U.S. government encouraged domestic hemp production for materials needed during the war effort.

Which makes for one of the stranger chapters in this entire history.

A plant could be portrayed as a national menace in one context... and an agricultural resource in another.

Once the war was over, hemp was banned once again and the government quitely cancelled all of it's hemp farmer contracts like nothing happened. It wasn't until 1989 that activists, led by Jack Herer, recovered copies from the National Archives to prove the governmane once endorsed the crop.

Cannabis history is nothing if not complicated.

Then Cannabis Became a Schedule I Drug

Fast-forward to 1970.

Congress passed the Controlled Substances Act, creating the federal drug scheduling system we still recognize today.

Cannabis was placed into Schedule I.

That classification put it in the federal government's most restrictive drug category.

And then something particularly interesting happened.

The government commissioned a group to study marijuana and make policy recommendations. It became known as the Shafer Commission.

After studying the issue, the commission released its report in 1972.

Its conclusion wasn't exactly what decades of anti-marijuana messaging might have led Americans to expect.

The commission recommended that possession of marijuana for personal use should no longer be a criminal offense and concluded that the harms of criminalizing private possession weren't justified by the behavior itself.

The federal government didn't follow that recommendation.

Cannabis remained Schedule I.

And Then Came the War on Drugs

During the decades that followed, American drug policy became increasingly punitive.

The War on Drugs expanded.

Drug enforcement intensified.

Mandatory minimum sentences and other tough-on-crime policies followed.

And cannabis remained caught inside that system.

By this point, generations of Americans had been taught some version of the same message:

Marijuana = drugs.

Drugs = criminals.

Criminals = bad people.

That's a powerful cultural association to undo.

Even when the science changes.

Even when laws change.

Even when millions of Americans personally experience cannabis and realize the stories they were told don't quite match reality.

So... Was Cannabis Prohibition Just One Giant Conspiracy?

No.

There wasn't one villain.

There wasn't one company.

There wasn't one newspaper publisher.

There wasn't one politician sitting in a room deciding to destroy hemp.

Cannabis prohibition developed through a messy combination of fear, politics, prejudice, sensational journalism, moral attitudes toward intoxication, law enforcement priorities and incomplete scientific understanding.

Harry Anslinger mattered.

Hearst's newspapers mattered.

Racial and anti-immigrant attitudes mattered.

Government policy mattered.

Industrial hemp existed in the background.

But turning all of that into one perfectly coordinated conspiracy actually makes the real history less interesting — and less accurate.

And Yet, Here We Are

More than a century after those early newspaper stories, we're still untangling the stigma they helped create.

You can see it when someone whispers the word “marijuana.”

You can see it when people assume CBD will get them high.

You can see it when someone hears “hemp-derived” and assumes it's fake cannabis.

You can see it when cannabis businesses are treated differently from other legal businesses.

And you can definitely see it when cannabis laws change dramatically simply by crossing a state line.

That's part of why education has always mattered so much to us at Burning Acre.

We're not interested in pretending cannabis is completely harmless.

It isn't.

Cannabis can cause impairment. It isn't appropriate for everyone. THC can produce unwanted effects, especially at higher amounts, and responsible use matters.

But responsible education works both ways.

We should be honest about the risks.

And we should be honest about the history.

Maybe It's Time to Ask Where Our Assumptions Came From

For decades, Americans were given an incredibly simple story about cannabis.

Bad plant.

Bad drug.

Bad people.

The actual history is anything but simple.

It's a story involving agriculture, medicine, immigration, race, journalism, politics, industry, criminal justice and a plant that somehow managed to sit right in the middle of all of it.

And perhaps that's the biggest lesson.

You don't have to believe cannabis is perfect to question whether everything we were taught about it was true.

You don't have to ignore legitimate risks to recognize that fear and stigma shaped public opinion.

And you don't have to become a cannabis expert to start asking better questions.

Sometimes education isn't about telling people what to think.

It's about giving them enough information to think for themselves.

Around here, we're pretty big fans of that.

— The Burning Acre Team

This article is provided for general educational and historical purposes only and is not medical or legal advice.