Earthing is pretty controversial. Everyone agrees that the earth’s surface has an electric charge, this is a well-established scientific fact. The controversy revolves around whether direct physical contact with the earth provides any significant healing benefits. On the one hand, you have people who argue that going barefoot, sleeping on a grounding mat, connecting to earth is beneficial to pretty much everyone. On the other hand, you have experts like Dr. Samuel Milham and Dave Stetzer saying that earthing can lead to incredibly high body voltage levels, and can do more harm than good. But what does the science say?