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Measuring Happiness with a Palm Reading

A growing number of psychologists have set out to determine what makes the heart sing. Scientists are using Palm Pilots to gauge people's moment-to-moment levels of happiness.

Copyright 2005 NPR

Corrected: February 15, 2005 at 8:16 AM MST
This story incorrectly stated the number of times that kidney-disease patients in the study underwent dialysis sessions. These patients underwent dialysis three times a week.
Allison Aubrey is a correspondent for NPR News, where her stories can be heard on Morning Edition and All Things Considered. She's also a contributor to the PBS NewsHour and is one of the hosts of NPR's Life Kit.