My buddy Tom, a diabetic, went for a blood draw recently… The nurses had a heck of a time finding a vein. The reason: he was as dry as a prune.

An MIT spinout has a new device that detects whether you’re over-or-under hydrated. It could help healthcare workers make quicker diagnoses…

Hemetrics Development Corporation’s device is called the HydrAlert, and is expected to cost $800 a pop.

Riff: Medgadget