Ask an Amateur Scientist: HeadOn

In this sixth installment of my weekly Ask an Amateur Scientist column at PinkRaygun.com, I discuss HeadOn, which, I hear, is applied directly to the forehead. It's also a homeopathic remedy, which means it doesn't work at all. No, not at all. And think of all the money you've wasted, you waxy-headed fool. Read all about it here.