Body weight scales with body fat analyzers, body weight scales with body composition analyzers, body weight scales, baby scales, kitchen scales, bath room scales, industrial scales, and scales for commercial use; pedometers; alcohol breath testing units, breath analyzers,@water quality analyzers, skin condition analyzers not for medical use, air analyzers, body odors analyzers, salinometers, residual chlorine analyzers, oxidation reduction potentiometers, ph meters and magnetic measuring instruments; electrical communication machines and instruments, namely, communication devices for receiving measuring data from at least one of scales, sphygmomanometers, and pedometers, and storing, processing and transmitting such data to personal computers and other computers; computers, electronic circuits, integrated circuits, electronic circuits on which computer programs are recorded, downloadable computer programs and computer programs recorded on optical discs for managing personal data for health care, and providing advice based on said data (for use in association with body weight scales with body fat analyzer and other aforementioned goods), electronic circuits and CD-ROMs on which computer game programs are recorded, pre-recorded videodiscs and videotapes, and video games for home use; metronomes; electronic circuits and CD-ROMs on which programs for portable games with liquid crystal displays are recorded; and electronic publications either downloadable or recorded on optical discs, magnetic discs or magnetic tapes, namely, books, magazines and manuals about health care and/or how to lose weight