How many cups of coffee can I drink a day? How much caffeine can you consume every day?

In the United States, a 16-year-old teenager drank 3 kinds of caffeine beverages within 2 hours, causing sudden death of cardiac arrhythmia, which aroused public attention. Everyday life is filled with all kinds of caffeine drinks and foods. In addition to coffee, tea drinks, energy drinks, some carbonated drinks, chocolates, etc. all contain caffeine. How much caffeine a person can consume each day will not Danger to health?

Which is better, tea or coffee?

Although getting involved in this kind of strong gunpowder competition may face many risks, BBC Future decided to compare the relevant indicators of the two drinks. Of course, in terms of taste, it is really difficult to adjust, but we still combed all kinds of scientific literature to find the actual quantitative impact of these two drinks on our physical and mental health.