Polgar: "no drug that would help us play better chess"

Since we're off the topic of chess strategies, I thought this article on drugs that improve chess playing and increase ability to use chess tactics and chess strategies:

I did not know this, but apparently "Two years ago, the International Chess Federation adopted the World Anti-Doping Agency's universal drug code, subjecting chess players to the same standards as Olympic sprinters"

Susan Polgar recently was tested, and said the following:

Imagine Mrs. Polgar's surprise when officials asked for a urine sample after her four-medal performance at last year's Chess Olympiad in Calvia, Spain.
"I can't say it was a pleasant experience," said Mrs. Polgar, 35, a chess grandmaster from Forest Hills, New York. "I have no idea what they were really testing for."

"Even if a drug makes you bigger and stronger, it won't help you think better," Mrs. Polgar said. "You need logic, planning, concentration. To my knowledge, there is no drug that would help us play better chess."