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.
The caffeine found in green tea is partly responsible for its weight-loss effects. Caffeine is not without side effects, and too much can cause toxicity.ide Effects and Precautions. Side effects of caffeine include increased heart rate, insomnia, nausea and vomiting, frequent urination, tremors, anxiety and depression. Consult with your doctor before drinking green tea if you have a medical condition.