I Am A Student Of 18 Years. I Am Having A Memory And Concentration Prblm...
When I Try To Study, I Do Not Undrstand What I Am Studying.
I Just Read The Same Thing Many Times But Yet I Am Not Able To Concentrate On Topic...

Even If I Learn Something,I Forget It Very Soon...
What Should I Do??

Improving Your Memory: Tips and Techniques to improve memory (http://www.helpguide.org/life/improving_memory.htm)

You might want to check this link.