Coffee is a popular beverage worldwide that contains caffeine, a stimulant that can lead to addiction issues if consumed uncontrollably. While coffee itself is not dangerous, excessive uncontrolled intake can result in health problems like gastric ulcers, high cholesterol, insomnia, anxiety, and depression by creating a physical addiction to caffeine. Caffeine is the most widely used psychoactive drug in the world and has the ability to change thinking, behavior, and mood when consumed.