Brain imaging and placebo mechanisms

In the ancient days, when medicine and spirituality were inseparable, people often used rituals and invocations to elicit help from divine sources. This practice continues today, through a number of techniques collectively known as faith healing. But what is it, exactly? How does it work? Could mere physical touch from the right person heal otherwise incurable medical conditions? Join Ben, Matt and Noel as they dive into fact and fiction of faith healing.

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