What should I do my speech on?

I have to write a speech for one of my classes and i have to come up with something interesting. I was think about something like meth addiction or aspergers. I can not really come up with any alternatives. I kinda don’t want to do it on meth because some people might do a lot of presentations on it and i don’t want to bore the teacher,I don’t really wan to do it on aspergers cause im in the ninth grade and people aren’t that mature yet if you know what i mean. If any body could help me out that would be great and im totally open to new suggestions. Thanks!