I don't know if I can think of a worse nightmare for parents than walking into their newborn baby's room and finding their infant dead. Sudden Infant Death Syndrome (SIDS) is a horror that first started rearing its ugly head about twenty years ago. At least that's when the medical profession started to categorize the mysterious unexplained deaths of infants under the age of a year; who knows how long it had been occurring in the years prior to that.

Crib deaths, as they are also called, are characterized by the unexplained death while sleeping of an infant under the age of one year. A perfectly healthy child was put to bed by his or her parents and would simply stop breathing for no apparent reason. Parents, of course, would be guilt-ridden as well as grief-stricken, blaming themselves for what they saw as a seemingly preventable death.

Finally, there might be at least a partial explanation for this mysterious horror. Researchers in the United States have compared the brain autopsies of 31 SIDS victims over the past ten years with those of ten infants who have died of other causes and noticed an abnormality in the brain stems of the SIDS babies that might affect breathing. The defect seemed to affect the brain stem's ability to regulate serotonin, the chemical that helps to control vital bodily functions.

While this in no way can be seen as conclusive evidence due to the small numbers in the study, it does go a long way toward supporting what doctors at Sick Children's Hospital in Toronto, Canada, have long suspected: that some brain function in these children has been inhibited in order for the deaths to occur.

Dr. Ernest Cutz, who has studied the disease, believes the discovery is one step toward removing the mystery surrounding SIDS, and hopes it will help improve prevention and perhaps even lead to its eradication.

Aurore Côté of Montreal's Children's Hospital and a specialist in SIDS is the one who cautioned the sampling in these test results is too small to be conclusive in any way. She says the two major risk factors involving the syndrome are already established: putting babies to sleep face down and tobacco smoke during pregnancy.

In Canada, education campaigns have been highly effective, reducing the number of SIDS related deaths from over 400 a year annually a decade ago to 100. Even in this recent study, it was shown 65% of the deaths were babies that had not been put to sleep on their backs. In other words, there is still a worrying lack of awareness of basic prevention methods among parents in the United States.

It seems to me it's a matter of common sense. One of the first things you are told when handling a newborn infant is to ensure you always support its head. The head is the largest single part of the human body and the baby's neck muscles are nowhere near developed enough to be able to support its weight. If the child is laid face down in bed, he or she will never be able to move in order to take a deep breath if required.

But that also leads me to wonder about something: has this study found a cause, or have they merely found another effect? If the weight of a child's head causes the brain stem to be placed under undue strain because the muscles of the neck can't protect it, does this increase the likelihood of the lack of serotonin control? Would placing the baby face-down on its stomach cause its esophagus to close, resulting in decreased oxygen to the brain, which in turn would cause the brain stem's effectiveness to depreciate, resulting in reducing the control of serotonin? In other words, this effectively causes suffocation and the failure of the body's alarm system ability to warn of that potential simultaneously.