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Bloodless test

The US Food and Drug Administration is to speed up its review of a new device
called the GlucoWatch, which can painlessly monitor diabetics鈥� blood sugar
levels. Diabetics who need to perform frequent blood sugar tests have to prick
their fingertips to draw blood, but the watch-like device developed by Cygnus of
California uses an electric current to draw glucose across the skin and into a
pad instead. It measures sugar levels every twenty minutes and sounds an alarm
if they get too low or high. The data can also be downloaded into a
computer.