Depends on what you mean by best. Short answer is you need to define what is best for you and your style of learning. I have a similar background, my mother is Chinese, was born and raised in Taiwan and learnt Mandarin conversationally through her and in secondary school.
92,336 Helpful Votes. A. You will not get sick. The tea may be a bit stale and lack some flavor, but it would not harmful. This answer should not be considered medical advice...This answer should not be considered medical advice and should not take the place of a doctorâs visit.
For most people, these side effects are merely bothersome. However, green tea can sometimes cause serious side effects as well, especially when taken at higher dosages. Generally, serious green tea side effects are due to the caffeine content of green tea. (This article covers many, but not all, of the possible side effects of green tea. Your healthcare provider can discuss a more complete list of side effects with you.).