Why Psychedelic Drugs Are Exciting For Modern Medicine

August 18, 2018

Scientific publications, therapeutic breakthroughs and cultural endorsements suggest that the historical reputation of psychedelics – such as lysergic acid diethylamide (LSD), mescaline (from the peyote cactus) and psilocybin (mushrooms) – as dangerous or inherently risky have unfairly overshadowed a more optimistic interpretation.

Recent publications, like Michael Pollan’s How to Change your Mind, showcase the creative and potentially therapeutic benefits that psychedelics have to offer – for mental health challenges like depression and addiction, in palliative care settings and for personal development.

Major scientific journals have published articles showing evidence-based reasons for supporting research in psychedelic studies.

These include evidence that pscilocybin significantly reduces anxiety in patients with life-threatening illnesses like cancer, that MDMA (3,4-methylenedioxy-methamphetaminecan; also known as ecstasy) improves outcomes for people suffering from PTSD and that psychedelics can produce sustained feelings of openness that are both therapeutic and personally enriching.

Other researchers are investigating the traditional uses of plant medicines, such as ayahuasca, and exploring the neurological and psychotherapeutic benefits of combining Indigenous knowledge with modern medicine.

I am a medical historian, exploring why we now think that psychedelics may have a valuable role to play in human psychology, and why over 50 years ago, during the heyday of psychedelic research, we rejected that hypothesis.

What has changed? What did we miss before? Is this merely a flashback?

Healing trauma, anxiety, depression

In 1957, the word psychedelic officially entered the English lexicon, introduced by British-trained and Canadian-based psychiatrist Humphry Osmond.

Osmond studied mescaline from the peyote cactus, synthesized by German scientists in the 1930s, and LSD, a laboratory-produced substance created by Albert Hofmann at Sandoz in Switzerland.

During the 1950s and into the 1960s, more than 1,000 scientific articles appeared as researchers around the world interrogated the potential of these psychedelics for healing addictions and trauma.

But, by the end of the 1960s, most legitimate psychedelic research ground to a halt. Some of the research had been deemed unethical, namely mind-control experiments conducted under the auspices of the CIA.

Other researchers had been discredited for either unethical or self-aggrandizing use of psychedelics, or both.

Timothy Leary was perhaps the most notorious character in that regard. Having been dismissed from Harvard University, he launched a recreational career as a self-appointed apostle of psychedelic living.

Drug regulators struggled to balance a desire for scientific research with a growing appetite for recreational use, and some argued abuse, of psychedelics.

In the popular media, these drugs came to symbolize hedonism and violence. In the United States, the government sponsored films aimed at scaring viewers about the long-term and even deadly consequences of taking LSD.

Scientists were hard-pressed to maintain their credibility as popular attitudes began to shift.

Now that interpretation is beginning to change.

A psychedelics revival

In 2009, Britain’s chief drug adviser, David Nutt, reported that psychedelic drugs had been unfairly prohibited.

He argued that substances such as alcohol and tobacco were in fact much more dangerous to consumers than drugs like LSD, ecstasy (MDMA) and mushrooms (psilocybin).

He was fired from his advisory position as a result, but his published claims helped to reopen debates on the use and abuse of psychedelics, both in scientific and policy circles.

And Nutt was not alone. Several well-established researchers began joining the chorus of support for new regulations allowing researchers to explore and reinterpret the neuroscience behind psychedelics.

Studies ranged from those looking at the mechanisms of drug reactions to those revisiting the role of psychedelics in psychotherapy.

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