Weighing in on obesity and other matters.

• Position: What's New?

It's very easy to overindulge this time of year. A look at the alarming obesity (and related illnesses) statistics means that many of us need to take greater control over monitoring and improving our health and fitness. Although we tend to focus on our weight, we know that that is not the only factor in determining fitness level.

Addressing consumers' interest in learning more about their overall body make-up, Tanita Corporation, Arlington Heights, Ill., has introduced the InnerScan Body Composition Monitor (model BC-533, $119.99). By employing a safe, low-level electrical signal, a biolectrical impedance analysis calculates body composition based on the level of resistance and the user's height, weight, and gender.

In addition to displaying weight, body fat, and water percentages, the InnerScan monitors daily caloric intake by estimating the number...