What is piracetam and how does it work?

Intelligence. An intelligence booster , alternative remedy it is supposed to work in the gabba system. No long term or definitive studies are currently available.
1964 "nootropic" Synthesized in 1964, empirical brain boosting effects were claimed to have been found. Used widely in europe, it seems generally safe and maybe effective, maybe not. It affects 10+ brain systems and has a wide variety of molecular effects. No coherent mechanism of action has been proposed or demonstrated.