If you’ve been experiencing pain with no clear cause, trouble sleeping or mood and memory issues and can’t pinpoint the source of your discomfort, there’s a chance you could have fibromyalgia. It’s possible you haven’t heard much about this disorder until fairly recently, despite it being traced back to the 1800s. Part of the lack of awareness may be because the first prescription medication approved by the FDA to manage fibromyalgia pain wasn’t released until 2007. There’s actually a wealth of information available about fibromyalgia. Here’s a crash course to get you started.