Lots of men worry about losing their hair. But instead of fretting about their beauty, it might make sense for them to count their blessings—because, by rights, bald men should probably be extinct by now. So why aren't they?
Going bald is the one big vanity concern among most men. But relax, it doesn't need to be that way; scientists have just worked out exactly why men go bald, and already have a way to stop it happening.