More about earthing
The book, Earthing, (2014) was co-written by Dr Stephen Sinatra, a cardiologist. who became interested in electromagnetic fields (EMFs) after his son recovered from a near-death experience working around electronics. The pictures in glossy color make it obvious to see important changes in the body after putting your feet in the earth. (Indoor methods are also described.) However if you do this as a daily practice 20/30 minutes daily it may effect medications you are taking for high blood pressure, blood thinning, issues with the thyroid or pancreas. I first learned about this from a medical doctor who lived in this town and participated in an energy healing group at my house.