I think the thing that a lot of hackers don't understand is unintended consequences. It's fine when you're hacking a computer game, and the worst case scenario is that the game malfunctions. Things like overclocking a PC, or re-tuning a car, have more tangible consequences, but those consequences ultimately mean that the hacker will damage an easily replaceable commodity. A person's brain is not replaceable.
That's one of the reasons I've stayed away from 'beta blocker' medications even though they're designed to tone down stage fright to a bare minimum. There are, from what I've read, potential side effects that can be rather severe. As in, some real unwelcome motor/cognition changes. That's enough cautionary literature to keep me away. Strangely enough though, I'm not anti-supplement (vitamins, PH stacks, etc) in the l…
Just in case you're interested, bananas are meant to act as natural beta blockers (or more specifically, the potassium in bananas). I have no idea about how effective bananas are in reducing anxiety, but they might be worth a try.