https://www.tgdaily.com/health-brief/healthy-options-root-plants-and-herbal-leaves-for-stress-and-anxiety-management

https://bluenotes.anz.com/posts/2019/02/fiji--the-value-of-vuvale-

https://www.express.co.uk/life-style/health/1090374/best-supplements-sleep-better-fall-asleep-diet-fall-asleep-kava

http://www.dailytexanonline.com/2019/01/22/drinking-kava-can-tackle-the-root-of-your-stress-problems