Small Variations in Magnetic Fields Can Be Environmental Stresses
http://www.sciencedaily.com/releases/2012/04/120423184201.htm
http://www.sciencedaily.com/releases/2012/04/120423184201.htm
"We are surrounded by a constantly changing magnetic field, be it Earth's or those emanating from devices, such as cell phones. Carlos Martino, an assistant professor at the University of Nevada, Reno, is interested in understanding how these magnetic-field fluctuations change biochemical reactions inside us."