Various approaches to prevent steroids in sports have not been successful because athletes are now using hard-to-detect growth hormones to enhance performance.

HOW TO MAKE IT MORE ARGUMENTIVE ?

My professor claims this is not arguing anything still.

"This is still not an argument, but a statement. It's a description of the current situation, but what are you arguing? You must analyze different options, sides, and points of view in an argument. You must be debating something, instead of describing it"