Have you heard of Bacopa monnieri ( mentioned translations are:Water Hyssop, Thyme leaved graticula, Moneywort, also known as "Brahmi"); it also increases the bloodflow in the brain (oxygen level increase !), it operates as an antioxidant; used for asthma, bronchitis, allergies, arthritis, rheumatic disorder, high cholesterol level, hair loss, fever, depression, irregular menstruation, anxiety, lack of concentration, nervous breakdown.
I get along with this better than with gingko
I tried to find at least some information in English: http://www3.interscience.wiley.com/journal/112751472/abstract?CRETRY=1&SRETRY=0 (here mentioned alonside with gingko, and others), the article can be downloaded as pdf; it seems to be informative.
Post Edited (dorit) : 2/24/2009 5:48:48 AM (GMT-7)