中美聯合研究的一個重要發現（見內）

Researchers in the US and China studied ginkgo trees aged 15 to 667, extracting tree-rings and analysing cells, bark, leaves and seeds. They found both young and old trees produce protective chemicals to fight off stresses caused by pathogens or drought.

我不知道銀杏葉治療老年癡呆的功效是否與此有關。

所有跟帖： 

• 我媽長年吃這個提取物。第一次我給孩子大舅送的時候被拒，後來他主動跟我要，至今不說為什麽。 -周老大- ♂ (0 bytes) () 11/26/2022 postreply 13:05:03