Caffeine is a central nervous system CNS stimulant of the methylxanthine cl It is the world’s most widely consumed psychoactive drug.Unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world..Coffee is a brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant. The genus Coffea is native to tropical Africa specifi.y having its origin in Ethiopia and Sudan and Madagascar, the Comoros, Mauritius, and Reunion in the Indian Ocean..Caffiene. I have a heart condition and my doctor has told me to cut back all together on caffeine. For your responce, he has also asked that i not drink decaff coffee for the reason that there still is a percentage of caffeine in decaff coffee..Caffeine is a stimulant that occurs naturally in several foods. Some companies also add it artificially to their drinks and snacks. In small doses it can improve alertness..
An average cup of coffee contains mg of caffeine, but some types contain over mg. This article lists the caffeine content in different coffee types.. This is how much caffeine it takes to kill an average person. It would take a lot of K cups to kill you..