Sauna use among dads linked to tumors in children.Would-be fathers who expose themselves to excessive heat in the weeks before they conceive children may place their future offspring at unnecessary risk of brain cancer, new research suggests. The study provides inconclusive INCONCLUSIVE. What does not put an end to a thing. Inconclusive presumptions are those which may be overcome by opposing proof; for example, the law presumes that he who possesses personal property is the owner of it, but evidence is allowed to contradict this presumption, and show who is data on whether maternal exposure to heat during early pregnancy early pregnancy Obstetrics First trimester of pregnancy similarly affects cancer risk. Past studies have shown that in female animals, exposure to elevated temperature during pregnancy can cause fetuses to die or develop abnormally. Also, human sperm, which take about 10 weeks to develop, are acutely sensitive to temperature. Researchers at Children's Hospital of Philadelphia The Children's Hospital of Philadelphia is one of the largest and oldest children's hospitals in the world. "CHOP" has been ranked as the best children's hospital in the United States by U.S. News & World Report and Child Magazine in recent years. and St. Jude Children's Research Hospital St. Jude Children's Research Hospital, founded in 1962, is a leading pediatric treatment and research facility focused on children's catastrophic diseases. It is located in Memphis, Tennessee. In 1996, Peter Doherty, Ph.D., of St. in Memphis, Tenn., studied 318 children who by the age of 6 years had developed either of two related forms of brain cancer. For comparison, the team studied 318 children of similar age and background who were free of cancer. The investigators interviewed the children's parents to determine whether they had used saunas or electric blankets or had other exposures to heat, such as bathing in hot tubs, during the months leading up to conception or during the first trimester Noun 1. first trimester - time period extending from the first day of the last menstrual period through 12 weeks of gestation trimester - a period of three months; especially one of the three three-month periods into which human pregnancy is divided of pregnancy. Fathers of children with the two types of brain cancer were 3.4 times as likely as other dads to have used a sauna sauna Bath in steam from water thrown on heated stones. Known in ancient times in various places, saunas are most closely identified with the Finnish people, who made saunas a national tradition. and 2.1 times as likely to have had exposure to at least one heat source during the 3 months prior to conception. Greta R. Bunin and her collaborators report those findings in the Aug. 1 American Journal of Epidemiology. Exposure to heat sources, including saunas, was not significantly elevated among the mothers of children with the brain cancers, but the study couldn't rule out the possibility of a harmful influence from heat during early pregnancy. |
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