Research Summary: Kava extracts can boost brain function and mood
This 2004 study investigates the effects of kava extracts on brain function and emotional regulation and reactivity. It’s a double-blind, placebo controlled trial, which means research participants were assigned either the treatment group (with kava) or a non-treatment groups (placebo, or something that won’t have an effect). This is done without any order, and both participants and their doctors didn’t know which treatment they were getting. What they did Researchers