So far, no conclusive evidence has been found that drinking coffee in moderation is harmful to human health. For healthy people, the biggest disadvantage of saying caffeine is that it may make people like to drink it constantly. After absorbing caffeine, after 12 to 24 hours no longer absorb caffeine, there will be some tiredness or inability to concentrate completely, and so on. Drink coffee in moderation, that is, every day
2015-10-28 Coffee advantages and disadvantages caffeine human body health effects