Catha edulis - A shrub or tree from the family of the Cleasteraceae, grown artificially in the Land of Israel, Catha is grown for medicinal purposes, to stimulate the body and to calm down. Catha contains alkaloids, the main ones being "cathine and cathinone", which are alkaloids from the "amphetamine" family. Catha leaves are usually chewed and the juice is swallowed and the leaves are not eaten, but thrown away after they have been thoroughly chewed. Yemeni Jews have been using catha for thousands of years. Catha is currently imported from Ethiopia. There are several varieties of catha. Medical uses: Useful for colds and flu. Helps with coughs. Eases breathing. Suppresses appetite. Useful for male power. Improves sperm quality. Useful for fertility. Used for calming. Improves concentration. Lowers blood sugar levels. Causes joy. Adir Marom's 'Tagit' concentrate Instructions for use: Put 7 drops in a little water once a day. Gradually increase