between EMFs and asthma in women whose children had other risk factors for developing asthma, including the mother having asthma herself or being the first born child.
The children of mothers who were in the middle group for magnetic field exposure were 74 percent more likely to Nike Metcon Designs
By Jenifer GoodwinMONDAY, Aug. 1 (HealthDay News) A new study suggests that the children of mothers exposed to high levels of magnetic fields during pregnancy are at increased risk of developing asthma, findings that are sure to reignite the controversy over the health dangers that might be posed by exposure to power lines and electronics.
Li and his colleagues followed the children of 626 pregnant women in Northern California for up to 13 years. During pregnancy, the women wore a meter for 24 hours that measured their average daily exposure to magnetic fields. Exposure was Nike Metcon Grey Wolf
Children whose mothers had the highest magnetic field exposure (90th percentile or above) were 3.5 times more likely to have asthma than the kids of moms with the lowest exposure (10th percentile or less), the investigators found.
Most recently, a Swiss study published in the Journal of the National Cancer Institute concluded that children and teens are not at increased risk of brain cancer from cell phones.
Though the study does not establish cause and effect, researchers found a strong association between asthma in offspring and pregnant women's exposure to magnetic fields emanating from power lines and household items such as fluorescent lights, copy machines, electric blankets, microwaves and hair dryers. De Kun Li, a reproductive and perinatal epidemiologist at the Kaiser Permanente Division of Research in Oakland, Calif.
The children of mothers who had asthma and were exposed to high levels of EMF had six times the chances of having asthma, while first born children had a 40 percent increased risk of having asthma if their mothers were exposed to high levels of EMFs.
Magnetic fields are ubiquitous in modern life. Anything electronic, such as appliances and power lines, generate magnetic fields. Cell phones and other wireless technology are another source of EMF, although in the study, the device worn by the women was Nike Lebron Ambassador 8 only able to measure lower frequency magnetic fields, such as those from household appliances and power sources. It was not able to track exposure to higher frequency electromagnetic fields coming from wireless networks and cell phones.
then divided into three groups: low, medium or high.
Concern over EMFs was first raised decades ago. Prior research has searched for a link between EMFs and cancer. But most of those studies have found no association, leading to a "dismissive attitude" about EMFs among many experts, Li said.
Put another way, about 13.6 percent of children whose mothers had the least exposure to magnetic fields had asthma, compared to 20.3 percent in the moderate group and 33.3 percent of the children of mothers with the highest magnetic field exposure.
The study also found strong associations Nike Lebron Soldier 9 Black And Red
Nearly 21 percent of the children, or 130, developed asthma.
"This is a carefully executed and analyzed study with a very provocative finding," said Dr. Jonathan Samet, a professor in the department of preventive medicine and director of the Institute for Global Health at the University of Southern California, who has studied the health impacts of electromagnetic fields. "This initial finding needs replication; the association is strong and merits follow up."
have asthma than kids of moms in the lowest group.
The study is published online Aug. 1 in the Archives of Pediatrics and Adolescent Medicine.
Fetal Exposure to Magnetic Fields From Appliances
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