Most of us know someone who has been to rehab, or at least we know the word. It carries a quiet weight, a sense of someone going away to get better. What many people don’t realise is how recent that idea really is. For most of human history there was no such thing as a rehab. People who drank too much or leaned too heavily on a substance were often treated as weak, immoral, or simply beyond help. The shift from that view to the one we hold today, that addiction is a health condition that responds to proper treatment, took the better part of two hundred years and a great deal of trial and error.
Looking at how addiction recovery has developed helps make sense of what happens inside a modern centre, and why the compassionate, clinical approach used now is so different from what came before.
How people understood addiction before there was treatment
Humans have used mind-altering substances for thousands of years. Alcohol shows up in nearly every ancient culture, opium was used in the ancient Near East and Mediterranean world for pain and sleep, and various plants were chewed, brewed, or burned for their effects. For most of that time, heavy use was understood through a moral or religious lens rather than a medical one. Someone who couldn’t stop was thought to lack willpower or good character.
That framing lasted a remarkably long time, and pieces of it still linger in the way families and communities talk about addiction today. The big change began only in the nineteenth century, when doctors started to describe what they were seeing in physical terms.
The 1800s: addiction starts to look like an illness
A turning point came in 1849, when the Swedish physician Magnus Huss published work describing the bodily harm caused by long-term heavy drinking. He gave it a name, alcoholismus chronicus, and in doing so introduced the word that became “alcoholism”. Huss wasn’t passing moral judgement. He was cataloguing a pattern of disease in the body, which was a genuinely new way of thinking.
Around the same time, the first dedicated places to treat habitual drinkers began to appear. In North America, inebriate homes and inebriate asylums opened from roughly the 1840s onwards, some run with kindness and a focus on the individual, others modelled on the harsh, isolated asylums of the day. They were uneven and often short-lived, and many of the “cures” sold during this period had no real medical basis. Still, the simple act of setting aside a place for recovery, rather than a prison or a poorhouse, marked the beginning of treatment as we’d recognise it.
Opioids, the new drugs of the nineteenth century
The 1800s also brought powerful new substances into wide circulation. Morphine was isolated from opium early in the century and used heavily for pain, including among wounded soldiers. Heroin was later marketed as a medicine before its dangers were understood. As these drugs spread, so did dependence on them, and the medical world slowly began to grasp that addiction wasn’t limited to alcohol. The same patterns of craving, tolerance, and difficulty stopping appeared again and again, whatever the substance.
The early twentieth century and the rise of mutual support
For a long time, doctors had few effective tools. Many people who struggled received no help at all, and some faced punishment rather than care. The early 1900s were a difficult, often bleak period for anyone trying to recover, with treatment that was inconsistent at best.
One of the most important developments of the century didn’t come from a hospital. In the 1930s, an American named Bill Wilson was repeatedly treated for alcoholism at Towns Hospital in New York under Dr William Silkworth. Silkworth argued that alcoholism was a genuine medical condition rather than a moral failing, an idea that gave Wilson real hope. Silkworth went on to describe alcoholism as a combination of a physical sensitivity and a mental compulsion, publishing his thinking in 1937. Wilson, together with Dr Bob Smith, founded Alcoholics Anonymous in 1935. The peer-led, step-based model they created spread worldwide and still underpins a great deal of recovery work, including the 12-step therapy used in many centres today.
The shift to addiction as a treatable brain condition
The biggest change came in the second half of the twentieth century, when research began to reshape the whole picture. In 1966, methadone was developed as a treatment for heroin dependence, the first effective medication for any addiction. From the 1970s onwards, a growing body of science established that addiction changes the way the brain works, and that it behaves like other chronic health conditions.
This is now the mainstream medical view. The United States National Institute on Drug Abuse describes substance use disorders as complex but treatable chronic conditions from which people can and do recover, usually with a mix of medication, behavioural therapy, and ongoing support. It’s worth being clear about the language here. Addiction is managed and treated, not “cured” in the way an infection might be. Recovery is something a person lives, often for the rest of their life, with the right support around them.
What modern treatment looks like
Today’s approach pulls together the lessons of two centuries. A good centre no longer relies on a single method or a quick fix. Instead it combines medical and psychological care, tailored to the person rather than the substance. That usually includes:
- Medically supervised detox, so the body can clear a substance safely.
- Individual and group therapy to work through the reasons behind the addiction.
- Evidence-based talking therapies such as cognitive behavioural therapy.
- Attention to mental health, since depression, anxiety, and trauma often sit alongside addiction. This overlap is treated through dual diagnosis care.
- Planning for life after treatment, including relapse prevention and aftercare.
The World Health Organization takes a similar line, setting out evidence-based interventions for substance use disorders in its mhGAP intervention guidance, with medication, behavioural therapy, and recovery support at the centre. The common thread across reputable bodies is the same idea that took so long to arrive: treat the whole person, with dignity, and over time.
If you’d like a sense of what this looks like in practice, our overview of what happens at a rehabilitation centre walks through a typical stay.
Frequently Asked Questions
When did the first rehabs appear?
Dedicated places to treat habitual drinkers began opening in North America from around the 1840s, in the form of inebriate homes and asylums. They were patchy and often short-lived, but they marked the start of treatment as a separate idea from punishment. The recognisable modern model, blending medical and psychological care, developed much later through the twentieth century.
Why did it take so long to treat addiction as a health condition?
For most of history, heavy substance use was seen as a moral or spiritual weakness rather than an illness. It wasn’t until the 1800s that doctors began describing it in medical terms, and not until research from the 1970s onwards that addiction was firmly understood as a chronic condition affecting the brain. Old attitudes have been slow to fade, which is part of why stigma still surrounds it.
Can addiction be cured?
It’s more accurate to say addiction is treated and managed than cured. Like other chronic health conditions, it can be brought under control and kept there, allowing a person to live a full life in recovery. That usually takes ongoing support rather than a single course of treatment, which is why aftercare matters so much.
Is the 12-step approach still used?
Yes. The peer-led, step-based model that grew out of Alcoholics Anonymous in the 1930s remains a core part of recovery for many people, often alongside clinical therapies and medical care rather than instead of them.
Where Freeman House fits in this story
Freeman House Recovery is a private drug and alcohol rehab in Meerhof, Hartbeespoort, set in the Magaliesberg in South Africa. Our work reflects everything the last two centuries have taught us. We treat addiction as a health condition, with a holistic inpatient programme that brings together medically assisted detox, individual and group therapy, 12-step work, trauma counselling, and care for mental health alongside the addiction itself.
If you or someone you love is struggling, you don’t have to work it out alone. Reaching out is the hardest step and also the most important one. You’re welcome to call us on +27 12 1111 739 for a confidential, no-pressure conversation about what help could look like. Recovery is possible, and people make that journey every day.
About the author
Alan Freeman
Alan Freeman is the founder and CEO of Freeman House Recovery, an upmarket drug and alcohol rehab in South Africa. Having been through addiction and recovery himself, he has spent years helping others do the same, and built Freeman House to give people a place to recover with dignity and proper care.
Freeman House Recovery is registered with the Department of Health and the Department of Social Development under the Prevention of and Treatment for Substance Abuse Act 70 of 2008.

