The War On Sweat

Is the latest wetness protection coming on too strong?

Paul Barton / zefa / Corbis

Take a stroll down the personal-care aisle of any drugstore, and you'll see quite a few options to keep you dry. Powder-scented, solid or gel, antiperspirants are in high demand in the summer. But in the past year, some new members joined the antiwetness club--"clinical strength" products that promise to keep you dry for not just a few hours but up to a whopping 24. Almost 10% of the market is now devoted to the strongest antiperspirants available without a prescription. Which makes you wonder: Do we sweat that much? And if we do, is it such a bad thing? "We...