Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

The power of placebos

13.05.2011
Recent survey shows Canadian psychiatrists more ready than other physicians to acknowledge the benefits of placebos

They may be uncomfortable talking about it, but it's definitely going on.

A recent survey, led by McGill Psychiatry Professor and Senior Lady Davis Institute Researcher Amir Raz, reports that one in five respondents – physicians and psychiatrists in Canadian medical schools – have administered or prescribed a placebo. Moreover, an even higher proportion of psychiatrists (more than 35 per cent) reported prescribing subtherapeutic doses of medication (that is, doses that are below, sometimes considerably below, the minimal recommended therapeutic level) to treat their patients.

Prescribing pseudoplacebos – that is treatments that are active in principle, but that are unlikely to be effective for the condition being treated, e.g., using vitamins to treat chronic insomnia – is more widespread than we may have thought according to the survey. Dr. Raz and his colleagues suggest that this may be because physicians have shown themselves to be more prepared to prescribe biochemically active materials even though at lower doses than might be effective.

The survey, which was also designed to explore attitudes toward placebo use, found that the majority of responding psychiatrists (more than 60 per cent) believe that placebos can have therapeutic effects. This is a significantly higher proportion than for other medical practitioners. "Psychiatrists seem to place more value in the influence placebos wield on the mind and body," says Raz. Only 2 per cent of those psychiatrists believe that placebos have no clinical benefit at all.

Raz's own interest in placebos grew out of his work in three very different areas: his explorations into how people's physiology is influenced by their expectations of what is about to happen, his work on deception; and the time he spent as a former magician. Together, these three separate areas of experience have led Raz to explore what remains an uncomfortable hinterland of medical practice for many practitioners – the use of placebos in medicine.

"While most physicians probably appreciate the clinical merits of placebos, limited guidelines and scientific knowledge, as well as ethical considerations, impede open discussion about the best way we may want re-introduce placebos into the medical milieu," says Raz. He adds, "This survey provides a valuable starting point for further investigations into Canadian physicians' attitudes towards and use of placebos."

The research was funded by: the Canadian Institute of Health Research, the Natural Sciences and Engineering Research Council of Canada, and the Oxford-McGill Neuroscience Collaboration.

For a video of Dr. Raz talking about his research
http://www.youtube.com/watch?v=TBzdwMZPwzM
For a copy of the article
jbacic@cpa-apc.org
For more information about Amir Raz's other research projects
http://www.jgh.ca/en/Psychiatry-TheRazLab
More news from McGill University:
http://www.mcgill.ca/newsroom/

Katherine Gombay | EurekAlert!
Further information:
http://www.mcgill.ca

More articles from Health and Medicine:

nachricht New malaria analysis method reveals disease severity in minutes
14.08.2017 | University of British Columbia

nachricht New type of blood cells work as indicators of autoimmunity
14.08.2017 | Instituto de Medicina Molecular

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.

As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...

Im Focus: Exotic quantum states made from light: Physicists create optical “wells” for a super-photon

Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.

Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...

Im Focus: Circular RNA linked to brain function

For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.

While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...

Im Focus: RAVAN CubeSat measures Earth's outgoing energy

An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.

The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...

Im Focus: Scientists shine new light on the “other high temperature superconductor”

A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.

Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Call for Papers – ICNFT 2018, 5th International Conference on New Forming Technology

16.08.2017 | Event News

Sustainability is the business model of tomorrow

04.08.2017 | Event News

Clash of Realities 2017: Registration now open. International Conference at TH Köln

26.07.2017 | Event News

 
Latest News

A Map of the Cell’s Power Station

18.08.2017 | Life Sciences

Engineering team images tiny quasicrystals as they form

18.08.2017 | Physics and Astronomy

Researchers printed graphene-like materials with inkjet

18.08.2017 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>