Drinking coffee is a global habit. Around the world, people sip about 3 billion cups a day, making the industry more than $200 billion a year. In the United States, just about 15% of the coffee ...

Is there caffeine in decaf coffee? Yes, but it’s negligible. Decaffeination removes at least 97 percent of the caffeine. Some companies claim to remove upwards of 99 percent, but Hendon’s skeptical.

Caffeine is generally safe to drink up to 400 milligrams a day, according to the Food and Drug Administration (FDA). That's equivalent to about four or five cups of coffee. For the average person, ...

Coffee is a common morning drink that contains caffeine. Decaf coffee is coffee made by removing the caffeine from unroasted coffee beans. Caffeine is a drug that’s widely consumed around the world.