“a skin patch that’s thinner than a sheet of paper and can detect subtle tremors, release drugs stored inside nanoparticles on-demand, and record all of this activity for review later … The system represents a new direction in personalized health care that will eventually enable advanced diagnostics and therapy on devices that can be worn like a child’s temporary tattoo”
http://www.technologyreview.com/news

The research is published in Nature Nanotechnology
Son D, Lee J, Qiao S, et al. Multifunctional wearable devices for diagnosis and therapy of movement disorders. Nat Nano. 03/30/online 2014;advance online publication. http://www.nature.com/nnano/journal/vaop/ncurrent/full/nnano.2014.38.html