Teens Create a Self-Cleaning Door Handle to Eliminate Germs — http://t.co/hAQi0UB2v8 pic.twitter.com/Jg6YK2Md9p

— Mental Floss (@mental_floss) June 18, 2015

Sounds like overkill, but it probably works.

Better hygiene through humiliation: A device that reminds doctors and nurses to wash hands http://t.co/q8kXvXnWPS pic.twitter.com/EYMchqU44L

— The Atlantic (@TheAtlantic) August 16, 2014

Alive Inside, which I first noticed two years ago, is nearing release. Here's more from The Daily Beast.

Using an iPod, Alzheimer's patients who have not spoken in years begin to sing along with the music of their youth http://t.co/HrtiTDZTKP

— The Daily Beast (@thedailybeast) July 20, 2014

Microwave Helmet Could Diagnose Strokes As Patients Ride To Hospital http://t.co/LHZCBPBkqL

— NPR Health News (@NPRHealth) June 16, 2014

This mind-controlled arm is the future of prosthetics — it's 90 Seconds with @samsheffer http://t.co/TqszXgAC5m

— The Verge (@verge) May 12, 2014