effects of coffee

Some historical facts  According to the Wikipedia history of coffee dates back to the 15th century and even before that. The first proof of knowledge of the coffee tree is from the 15th century too. The same goes for the first…

More than half of the American population (54%, to be exact) relies on coffee to get or keep their day going, and worldwide, over 300 tons of caffeine is ingested per day. The United States is the largest buyer of coffee as a nation …