Taking the herbal supplement ginkgo biloba may help delay the onset of cognitive impairment in normal elderly adults, according to a study published online Wednesday. However, the study also showed a higher incidence of strokes and "mini-strokes" in ginkgo users. The reasons for this are unclear and require confirmation in

Taking the herbal supplement ginkgo biloba may help delay the onset of cognitive impairment in normal elderly adults, according to a study published online Wednesday. However, the study also showed a higher incidence of strokes and “mini-strokes” in ginkgo users. The reasons for this are unclear and require confirmation in