In fact any domestic appliance, which uses electricity, from a fridge to a vacuum cleaner, will generate an EMF.
The authors noticed also cellular differentiation violations in posterity of white rats irradiated by EMF with PFD of 500 microW/cm2.
Ghouli and several other local groups tested the area for any other paranormal activity such as authentic orbs, EVPs (electronic voice phenomenon), EMF readings (electro-magnetic frequencies) or temperature anomalies.
Brain, spleen, marrow and peripheral blood morphological research was also carried out under the same conditions of animal RF EMF irradiation.
Take baseline readings of thermal and EMF activity so you can spot any significant changes.