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March 2001

A Picture of Health

Sensors that monitor vital signs will turn our "sick-care" system into one that preserves wellness.

By Michael Hawley

As I stepped on the bathroom scale, my life flashed before my eyes. I looked into the mirror and saw a graph, magically overlaid on my reflection. The red line plotting my weight over the last year looked like the Dow Jones average, with little bumps during the Thanksgiving and Christmas eatathons. It was a sobering image.

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