Can my body tell me how it’s feeling?

Many people are using services like Twitter to let each other know what they are doing.

In recent years, portable digital measurement devices for blood pressure, temperature and heart rate have become common in the home. At the other end of the scale, technology has revolutionized even highly complex examinations; I found this article from 2002 http://news.bbc.co.uk/1/hi/2319249.stm. Most of us are already carrying sophisticated mobile devices capable of short and long range connectivity. Surely it is only a matter of time before all these things become smaller, consume less power and combine to give us a more accurate view of how we are feeling?

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