Final answer:
Ginkgo is an herbal medicine believed to improve brain function, but evidence is lacking. It is important to know about its uses, side effects, drug interactions, and contraindications.
Step-by-step explanation:
Ginkgo is an herbal medicine that is believed to improve brain function, although conclusive evidence is lacking. It is important to know about its common uses and side effects, such as an increased risk of stroke or heart attack, blood clots, cancer, gall bladder disease, and possibly dementia. Additionally, it is crucial to understand the potential drug interactions and contraindications when taking Ginkgo.