Surprising Facts About Coffee That Every Caffeine Addict Should Know

1. Most energy drinks don't actually contain as much caffeine as a Starbucks coffee. A 16-ounce Monster has about 150 milligrams of caffeine which is half the amount of caffeine in a standard Starbucks grande-size coffee.

2. It's really easy to addicted to coffee. All you need is as little as 100 milligrams of caffeine daily to get hooked. That's the similar equivalence as two Lipton tea bags or three cans of Coke. If you stop drinking coffee abruptly, you will probably experience withdrawal symptoms, such as irritability and headaches.

3. Coffee works into your system crazily fast. It only takes about 10 minutes for caffeine to kick in after the first sip.

4. Coffee beans aren't actually beans, they're actually the pit of a coffee fruit.

5. The first webcam ever was invented because of coffee. In 1991 at the University of Cambridge in England, people were sick of walking all the way to the coffee pot only to find that it was empty. So, they created a webcam that streamed the state of the coffee that users could check before they got up to get a cup of coffee. 

6. The U.S.A consumes the most coffee per year. Americans consume 400 million cups of coffee per day, which is 146 billion cups of coffee per year!

7. Coffee works at its best if you drink it between 9:30 and 11:30am. This is because the levels of cortisol (the hormone that controls your inner clock) drop and caffeine interacts with cortisol. If you drink coffee too early in the morning when your cortisol is high, you'll end up building up a tolerance that will make you need more coffee to get the same result.

8. There's a reason coffee doesn't taste as good as it smells. According to scientists, it's because you actually have two senses of smell: the smell that you inhale from the environment, and the burst of aroma that's sent through the back of the nose from inside the mouth when you swallow (which actually accounts for 80 percent of what you taste). Coffee smells better when you inhale it than when you smell it inside your mouth. Along with that your saliva wipes away about half of that good-smelling taste. 

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