Coffee is one of the world's most popular beverages, and for good reason. It's a great way to start your day, and it can be enjoyed in a variety of ways. This guide will teach you everything you need to know
From Wikipedia
Coffee is a beverage brewed from roasted ground coffee beans. Darkly colored and bitter, coffee has a stimulating effect on humans due to its caffeine content, but decaffeinated coffee is also commercially available. There are also various coffee substitutes.