How to do with palpitations after drinking too much coffee? What effect does long-term drinking coffee have on the body?

Some friends can't do without coffee in their daily life and work. The caffeine in coffee can make us more awake, and the efficiency of finishing our work will be greatly improved. In addition, coffee can also improve our muscle strength performance when we exercise, so that we can exercise more energetically and more comfortably. Coffee can also eliminate facial edema, because coffee can be diuretic to increase metabolism, so wake up in the morning found facial edema, you can make a cup of American drink. New research shows that drinking coffee for a long time can prevent depression. Having said so many advantages, what is the harm of drinking coffee? If we drink too much coffee is prone to palpitations, there is a feeling of panic, if this happens, we can drink more water to speed up the body circulation, and then a little exercise to improve blood circulation, it is very uncomfortable, then put down the things in hand, lie down and have a rest. Coffee is good, but you can't drink too much. Things go to extremes.