New app tracks atrial fibrillation; Study shows best mobile device for weight loss;

> Cool new app from Worchester Polytechnic Institute detects atrial fibrillation. A patient holds his or her index finger over a smartphone camera, and the camera's light source and lens "detect small changes in skin color and underlying blood vessels," according to the Worcester Telegram & Gazette. Article

> Eli Lilly just launched a search app to help physicians find oncology clinical trials in the U.S. and abroad. Docs can search for trials by disease state, molecule being studied, study phase, country, state and keyword. Announcement

> A new study supports the use of armband monitoring technology for improving weight loss. The study found it to be the "most cost-effective" of four technologies examined by the University of Southern California. Announcement

And Finally... Why not just go for a quick walk? Article