can someone post five reasons as to why embryonic stem cells research is needed?

Question

I have these already:
1. Repair injuries
2. Used to test medicine

Answer 1

Check these sites that have information about many diseases that embryonic cells may cure.

http://stemcells.nih.gov/info/basics/basics6.asp

http://www.sumanasinc.com/webcontent/animations/content/stemcells_scnt.html

Answer 2

Thanks that helped a little but I'm having troubling solely based on actually thinking up these reasons on general terms.....like why is embryonic stem cell research necessary?