An ophthalmologist studied the benefits of ‘grounding’ and asked a diabetic patient if he could do an experiment with him. He took a picture of his iris, then had him sit in a chair with a grounding pad for two hours then took another picture of his iris. You can see a dramatic increase in circulation. This is a big deal! The story of the ophthalmologist along with other amazing experiences are part of this video:
Nikken Europe has a great KenkoGround video
https://www.youtube.com/watch?v=oiu42MzOFkE