Recently results were made available from a big study looking at whether Ginkgo biloba extract actually aided in preventing Alzheimers dementia. 이 연구에 따르면 은행잎은 치매나 알츠하이머병을 예방하거나 지연시키지 않는 것으로 나타났습니다. In simple words, the study showed that it does not work.