I'd like to order some foreign currency how much does cipro cost at walgreens The researchers say that their study is the first randomized controlled trial to study the effects of copper bracelets and magnetic wrist straps on the chronic inflammatory disease. Seventy patients each wore four different devices over a five-month period, reporting on their pain, disability, and medication use throughout the study. To monitor changes in inflammation, subjects also provided blood samples after wearing each device for five weeks.