The Effects of Placebo on Pain

There was a drug introduced in the 70s called semetidine which cured 80% of stomach ulcers. Now, as time passed, it felt just 50%. And this seems to have occurred after the introduction of renitidine,. Which is a competing, and it was supposedly a better, more effective drug. So people think that the placebo effect of the initial drug stopped working because doctors knew there was another supposedly better drug. That's why the success rate fell. Because doctors have also been tested giving meds into patients - half of them have said, I think this is a really good drug. It's shown really well in trials. Patients reported much less pain with the first sample of