I've heard a lot of talk about Beta blocker, and I have downloaded it, but I don't know what the program does. I'm sure there has been a zillion questions about this issue before, but can anyone direct me to a comprehensive source, where I can read about the program?

Regards Jules Pitt
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If Samuel L. Jackson's character ( Mace Windu) were related to Jules Pitt from Pulp Fiction, he might have said:
- "You must go to Dagobah, where you will be taught by Yoda, the sly, sweet motherf****r who taught me this shit."