You are at a friend's party when someone comes up to you and starts a conversation. You are very sure you have met before; you even recall her telling you about her pet Dalmatian. But why in tarnation can't you remember her name? Or picture yourself in front of an audience speaking about a topic of which you are an expert. All of a sudden you stop, groping for a word at the tip of your tongue. After a few seconds, you give up and use another word. Your audience does not seem to mind, but this hiccup keeps nagging at you, telling you something is wrong. While everyone finds themselves in a similar situation one time or another, the fact still does not make it less frustrating or embarrassing. Memory blips, often called senior moments, can happen to anyone at any time. However, it can be quite concerning when they begin happening frequently, especially because they can - and do - strike without warning. If this happens, do yourself a favor and visit your doctor so he can properly...