A Dashboard for Your Body
WITHINGS BP MONITOR This $130 machine sends blood-pressure readings to your phone, and saves them for analysis.
New Tools on the market are helping people measure their activity or in some cases inactivity.  The theory underlying Fitbit, the device shown above,  is that once you know where you’re failing, you can begin to make healthy changes in your life.  So start checking yourself out and find ways to improve.