Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'
...and in people with various illnesses. The power of placebos to ease pain symptoms has been well-documented in many groups of subjects and illnesses, but the researchers started with healthy young males to rule out the impact of chronic pain, mood disorders and hormone variations, which can also affect the end......h Medical Journal. While researchers usually use placebos in clinical trials to test the effectiveness of a ...nvironment, Kaptchuk does not recommend the use of placebos with patients or deception in the doctor-patient encounter. The aim is to understand how the ritual ...