WHY BIEL? - because the Actipatch assisted my pain & healing drom a Carpul Tunnel wrist operation! My Actipatch made it possible to heal with minimal pain when I under went a Full upper & lower dental implants (only used one pain pill)! My Actipatch helped me thru a skin cancer operation on my forehead with no pain pills! I believe in my Actipatches!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!