A Cardiologist Acknowledges Near-Death Experiences after Researching Them
Today medical science is able to revive people who are nearly dead, with little or no brain functioning. When they come back from the brink of death, many have remarkable accounts of feelings of calmness and peace, moving upwards through a tunnel, meeting deceased loved ones, encountering a being of light, experiencing a life review, and feeling a return to the body, often very reluctantly. These are near-death experiences (NDEs).
Those who have studied NDE accounts conclude that the phenomenon cannot be explained as a purely physical event. Cardiologist Dr. Michael Sabom at the Emory University School was skeptical about the NDE experience. With an associate, Sarah Kreutziger, he interviewed patients in his own hospital. He reported, “Having been on both sides of the argument, I now believe that the near-death experience is not simply the result of misfires within the dying brain, but that it is a spiritual encounter.” 
During Her Near-Death Experience, A Woman Learns Her Sister Had Died
Experiencers sometimes learn information about deceased loved ones they could not have known if they had not seen or met them while in the NDE. Bruce Greyson, formerly a professor of psychiatry at the University of Connecticut, now Chester F. Carlson Professor Emeritus of Psychiatry and Neurobehavioral Sciences at the University of Virginia, described the following case.
The author Maggie Callanan in her 1993 book, Final Gifts, wrote about an elderly Chinese woman who had an NDE in which she saw her deceased husband and her sister. She was puzzled since her sister wasn’t dead, or so she thought. In actuality, her family had hid her sister’s recent death from her for fear of upsetting her already fragile health. 
A Near-Death Experiencer Sees a Man He Later Learns Was the Father He Never Had Met
In another study, the researchers recorded the account of an NDE case with information the patient had no knowledge of and didn’t understand until ten years later. During an NDE, a patient reported that he saw his deceased grandmother. Standing next to her was a man he didn’t recognize, who was looking at him full of love. More than ten years later he learned that his mother bore him out of wedlock with a Jewish man during World War II. This man was deported and killed. When he was shown a photo of his biological father, he recognized him as the man he had seen ten years before during his NDE. 
 Michael Sabom, Recollections of Death: A Medical Investigation. New York: Harper & Row, 1998.
 Bruce Greyson, “Near death experiences as evidence for survival of bodily death,” Survival of Bodily Death: An Esalen Invitational Conference, February 11-16, 2000.
 Pim Van Lommel, “6. Neurophysiology in a normal
functioning brain,” International Association
for Near-Death Studies, accessed November 15, 2007.