Patwari plans more research on whether different or multiple radio frequencies might detect breathing better than the one 2.4 gigahertz frequency used in the study.

ENGADGET: Researchers use wireless network to monitor breathing, could save lives

The doctor may also observe your walk, listen to your breathing, check your pulse (Chinese medicine lists 28 different kinds of pulse) and look at your tongue - essentially probe your whole being.

CNN: SPECIAL REPORT: HEALTH

This is different than using wireless transmitters to relay measurements from conventional breathing monitors.

ENGADGET: Researchers use wireless network to monitor breathing, could save lives

I'm not sure how your metabolism was tested (it can be tested directly by a breathing test, which is available in some gyms and doctors' offices, or it can be calculated using several different formulas), so the significant drop that you report may not be completely accurate.

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