Costly turf war on men's balding heads

Vin Diesel has embraced his baldness. And it's doubtful Michael Stipe spends much time browsing for toupees. But not all of the 40 million American men with follicularly challenged scalps are going quietly into that bald night. They're raging — with Rogaine, among other things.

By Chris Woolston

January 29, 2012