Consuming Water Hyssop regularly helps with attention span and concentration. Water Hyssop also contains bacoside, a natural compound that improves brain health, helps in the transmission of messages from the brain to the other parts of the body. Additionally, it aids in reducing anxiety. There is also a mice model study involving Bacoside A which is found in water hyssop, the gist is a decrease in demyelination, link below; https://pubmed.ncbi.nlm.nih.gov/30551384/