High electromagnetic field levels of household appliances (such as washing machines and hair dryers) and wireless devices (such as laptops and routers) may be at least partially to blame for the rise in childhood obesity in recent years, according to a 13-year study by Kaiser Permanente that followed hundreds of pregnant women and 733 of their children.
(Credit: Kaiser Permanente)
After controlling for several factors, including child gender, pre-pregnancy BMI, maternal age at delivery, race, education, breastfeeding, and smoking, researchers write in Nature's Scientific Reports that children exposed to high in-utero levels are nearly twice as likely to be overweight or obese as children exposed to low in-utero levels.
Specifically, high levels were considered to be more than 2.5 milligauss (mG), which is a unit of magnetic field strength, while low levels were considered to be less than 1.5 mG, and medium was everything in between. (The Environmental Protection Agency has ... [Read more]