Your Mind is the Most Potent Painkiller
By Dr. Michael Mosley / Daily Mail
On the thankfully rare occasions I have to take a painkiller, I give myself a little pep talk before I swallow them. I tell myself that I will soon start to feel the impact, and then I imagine the chemicals surging through my system, doing good.
That’s not as weird as it may sound, and it’s something I’ve been doing since making a science documentary where we showed that you can reduce back pain using nothing more than the power of the mind.
Back pain is incredibly common. Ever since our ancient ancestors came down from the trees and decided it would be a good idea to walk upright, humans have been plagued by it. As we’ve got older, fatter and less active, rates have soared.
Lockdown hasn’t helped. Working from home crouched over computers, or lounging for hours on sofas, has had a bad effect. In fact, more than half of those who responded to a recent survey by the Institute of Employment Studies said they experienced back pain at least once a week.
Prevention is obviously better than cure, but what if you already suffer from chronic back pain? Well, there is an approach that is very cheap and works almost as well as painkillers, and is virtually side-effect free.
It involves tapping into the power of the placebo effect. Oddly enough, it can work even if you know you’re taking a placebo.
While placebos usually come in pill form (with no active ingredients), some patients have benefited from placebo surgery -- where, as part of a trial, they were anaesthetised and cut open, but then the surgeon did nothing more than sew them up.
To test the power of the placebo effect in everyday life, we recruited more than 100 people from Blackpool (a town where one in five people is blighted by back problems), all of whom had suffered chronic back pain for years.
The recruits were told they were taking part in a trial during which they might get a placebo or a powerful new painkiller.
What they weren’t told was that they’d all receive placebos, capsules containing only ground rice.
The experiment, carefully designed by Dr Jeremy Howick of Oxford University, an expert in placebos, used pills in a shade of blue and white -- colours shown to have the greatest painkilling effect. After three weeks, more than half the patients reported a significant drop in pain and improvement in disability. In fact, the results were so impressive they were recently published in a health journal.
So what’s going on?
Dr Howick is keen to point out that people respond to the placebo effect not because they are gullible or making up symptoms. In fact, the main characteristic of people who respond to placebos is that they’re ‘open to new experiences’.
And it goes deeper than that. We know that if you take a placebo and expect a positive outcome, this causes your body to release morphine-like substances, natural opioids. Now German researchers have also found that people who respond best to a placebo produce higher levels of certain proteins in the blood, some of which are known to help control inflammation. Chronic inflammation, where the immune system is in a state of constant high alert, is not only linked to conditions such as heart disease and cancer, but also increases chronic pain.
This new study raises the possibility of a test that shows if you’re likely to respond to a placebo and harness its benefits, without the side-effects linked to most drugs.
That‘s because while extensive research shows that placebos have powerful benefits, with few side-effects, doctor are not allowed routinely to deceive their patients. One option being explored would be to tell patients they’re getting nothing but dummy pills.
In my experiment with Dr Howick, some volunteers chose to keep taking our placebo even after we’d revealed it was only rice.
If you want to try to harness the placebo effect, you need a good relationship with your doctor, as this by itself has been shown to produce a very powerful effect.
And take a moment before you swallow your next painkiller. That’s why, when I take paracetamol for a headache I always tell myself ‘this really is going to help’, because I do believe this enhances the chance it will work.
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