454faec6_Common_Herbal_Medications__2
[0] Ginkgo [1] Used for hundreds of years in Orient. Used to improve short-term memory and concentration, especially in patients with Alzheimer�s disease. [3] Generally considered safe. May cause indigestion, headaches or allergic skin reactions. [2] 
It appears that ginkgo enhances blood flow in the brain, as well as increasing the brain�s tolerance to low levels of oxygen.
Common Herbal Medications
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