“Animal and human studies have suggested that cannabidiol (CBD) may possess anxiolytic properties…These results suggest that CBD has anxiolytic properties, and that these effects are mediated by an action on limbic and paralimbic brain areas…
Cannabidiol (CBD) constitutes up to 40% of Cannabis sativa and has quite different psychological effects to the plant’s best known constituent, 
9-tetrahydrocannabinol (9-THC)
In particular, in animal studies CBD has effects similar to anxiolytic drugs…”