The Placebo Effect: How Expectation Becomes Physiology
In 1955, Henry Beecher analyzed 15 clinical trials and found that 35.2% of patients responded to inert treatments. He called it 'The Powerful Placebo.' Since then, researchers have watched placebos activate opioid receptors, reduce Parkinson's tremors, and work even when patients know they're taking sugar pills. The science of how belief rewires the body.