Tooth Paste And Mutual Funds

Currently, there are 7,581 mutual funds available to the public. Why so many? I read a WSJ story that sheds light on the issue. There are 216 different brands of toothpaste on the market. Some offer a tooth whitener. Some fight Gingivitis and others control a variety of gum diseases.  The author interviewed 73 dentists in order to determine how useful the many different brands were. The dentists told him that as we age, our teeth naturally lose their whiteness. On the issue of gum diseas...