BIA = "Bioelectrical Impedance Analysis" NIH technology assessment statement on BIA (1994) THEY think it's real (with reservations) http://odp.od.nih.gov/consensus/ta/015/015_intro.htm BIA assessment paper - html version Comprehensive overview and references http://odp.od.nih.gov/consensus/ta/015/015_statement.htm _____________________________________________________ Scales and similar using "Bioelectrical Impedance Analysis" TANITA - major manufacturer http://www.tanita.com/ BIA Scales http://www.tanita.com/consumer/products/bf/tbf.html Reseller site but has comparisons of different brands and some questions & answers. Comments on algorithm tweaking for age and lifestyle factors. http://www.scaleman.com/~body-fat-scales.html Their FAQ http://www.scaleman.com/tanita/bodyfat/faq.html#work Good comment on accuracy of BIA (claimed +/- 5%) and comparison with "real" methods http://www.scaleman.com/tanita/bodyfat/compare.html ____________________________________________ Terraillon - major manufacturer http://www.terraillon.com/ BIA scales http://www.terraillon.com/other/prods.htm Terraillon Body Fat Scales & hand held body fat monitors Omron Body Logic Hand Held Body Fat Monitors http://www.healthchecksystems.com/bodyfatmeasure.htm Tanita body fat scales http://www.heartmonitors.com/tanita_summary.htm -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.