Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." Sunflowers are ...

Psychiatrists have been using hypnosis on patients for decades — to help them reduce their pain or kick a smoking habit, among other reasons. To tackle that question, David Spiegel, a psychiatrist at ...

Psychiatrists have been using hypnosis on patients for decades — to help them reduce their pain or kick a smoking habit, among other reasons. But what, exactly, is happening to the patients’ brains ...