By PHYSORG.COM
Added: Thu, 08 Apr 2010 23:00:00 UTC

Thanks to SPS for the link.
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People who have "near-death experiences," such as flashing lights, feelings of peace and joy and divine encounters before they pull back from the brink may simply have raised levels of carbon dioxide (CO2) in the blood, a study suggests.

Near-death experiences (NDEs) are reported by between 11 and 23 percent of survivors of heart attacks, according to previous research.

But what causes NDEs is strongly debated. Some pin the mechanisms on physical or psychological reasons, while others see a transcendental force.

Researchers in Slovenia, reporting on Thursday in a peer-reviewed journal, Critical Care, investigated 52 consecutive cases of heart attacks in three large hospitals.

The patients' average age was 53 years. Forty-two of them were men.

Eleven patients had NDEs, but there was no common link between these cases in terms of age, sex, level of education, religious belief, fear of death, time to recovery or the drugs that were administered to resuscitate them.
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TAGGED: MEDICINE, RELIGION