Leukemia can be difficult to understand. There are different types and ages that are affected. Here is a great Leukemia Animated Video that describes Leukemia in an easy way.  Take a look.

[youtube]http://www.youtube.com/watch?v=Qje0fG_JHLY&feature=plcp[/youtube]

This was found on Youtube and was uploaded by MissSammyGrace