What are the effects of ecstasy? Also, can ecstasy cause any "black out" effects? ?

I'm interested in learning more about ecstasy. Although, I'm worried about something, so I turn to you. What can ecstasy do to the body and mind? And can you black out from it. just like you can from alcohol?

: http://alcoholdrugstreatment.info/what-are-the-effects-of-ecstasy-also-can-ecstasy-cause-any-black-out-effects