Those taking the gingko biloba fared slightly better than those taking the placebo, but researchers say the difference could very well be due to chance.
Study: Ginkgo biloba may be waste of time
Researchers say the herb does not appear to protect the very elderly from memory problems. Doctors from Oregon State University followed nearly 120 people aged 85 and older for three years. Some in the group were given gingko biloba, others were given a placebo.
